1489653396 has 192 divisors, whose sum is σ = 4840120320. Its totient is φ = 384912000.

The previous prime is 1489653379. The next prime is 1489653401. The reversal of 1489653396 is 6933569841.

1489653396 is a `hidden beast` number, since 14 + 8 + 9 + 6 + 533 + 96 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2253306 + ... + 2253966.

It is an arithmetic number, because the mean of its divisors is an integer number (25208960).

Almost surely, 2^1489653396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489653396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2420060160).

1489653396 is an abundant number, since it is smaller than the sum of its proper divisors (3350466924).

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

1489653396 is a wasteful number, since it uses less digits than its factorization.

1489653396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 955 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 1489653396 is about 38596.0282412582. The cubic root of 1489653396 is about 1142.0761888107.

The spelling of 1489653396 in words is "one billion, four hundred eighty-nine million, six hundred fifty-three thousand, three hundred ninety-six".