489157924 has 12 divisors (see below), whose sum is σ = 860084848. Its totient is φ = 243419400.

The previous prime is 489157909. The next prime is 489157931. The reversal of 489157924 is 429751984.

It is a super-2 number, since 2×489157924² = 478550949223979552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288942 + ... + 290629.

Almost surely, 2^489157924 is an apocalyptic number.

It is an amenable number.

489157924 is a deficient number, since it is larger than the sum of its proper divisors (370926924).

489157924 is a wasteful number, since it uses less digits than its factorization.

489157924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579786 (or 579784 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 489157924 is about 22116.9148843142. The cubic root of 489157924 is about 787.9216448325.

The spelling of 489157924 in words is "four hundred eighty-nine million, one hundred fifty-seven thousand, nine hundred twenty-four".