1489253976 has 96 divisors (see below), whose sum is σ = 4620564000. Its totient is φ = 424488960.

The previous prime is 1489253963. The next prime is 1489253993. The reversal of 1489253976 is 6793529841.

1489253976 is a `hidden beast` number, since 14 + 8 + 92 + 539 + 7 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223006 + ... + 229586.

It is an arithmetic number, because the mean of its divisors is an integer number (48130875).

Almost surely, 2^1489253976 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 1489253976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2310282000).

1489253976 is an abundant number, since it is smaller than the sum of its proper divisors (3131310024).

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

1489253976 is a wasteful number, since it uses less digits than its factorization.

1489253976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7049 (or 7042 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 1489253976 is about 38590.8535277467. The cubic root of 1489253976 is about 1141.9741049190.

The spelling of 1489253976 in words is "one billion, four hundred eighty-nine million, two hundred fifty-three thousand, nine hundred seventy-six".