1489477248 has 192 divisors, whose sum is σ = 5080595520. Its totient is φ = 425502720.

The previous prime is 1489477237. The next prime is 1489477259. The reversal of 1489477248 is 8427749841.

1489477248 is a `hidden beast` number, since 148 + 9 + 477 + 24 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1489477237) and next prime (1489477259).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1489477194 and 1489477203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214308 + ... + 221148.

It is an arithmetic number, because the mean of its divisors is an integer number (26461435).

Almost surely, 2^1489477248 is an apocalyptic number.

1489477248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489477248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2540297760).

1489477248 is an abundant number, since it is smaller than the sum of its proper divisors (3591118272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1489477248 is an frugal number, since it uses more digits than its factorization.

1489477248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877 (or 6853 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 1489477248 is about 38593.7462291496. The cubic root of 1489477248 is about 1142.0311710979.

The spelling of 1489477248 in words is "one billion, four hundred eighty-nine million, four hundred seventy-seven thousand, two hundred forty-eight".