489158684 has 24 divisors (see below), whose sum is σ = 978804960. Its totient is φ = 209534976.

The previous prime is 489158651. The next prime is 489158701. The reversal of 489158684 is 486851984.

It is a happy number.

It is a super-2 number, since 2×489158684² = 478552436265223712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85052 + ... + 90620.

It is an arithmetic number, because the mean of its divisors is an integer number (40783540).

Almost surely, 2^489158684 is an apocalyptic number.

It is an amenable number.

489158684 is an abundant number, since it is smaller than the sum of its proper divisors (489646276).

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

489158684 is a wasteful number, since it uses less digits than its factorization.

489158684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717 (or 8715 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 53.

The square root of 489158684 is about 22116.9320657274. The cubic root of 489158684 is about 787.9220528944.

The spelling of 489158684 in words is "four hundred eighty-nine million, one hundred fifty-eight thousand, six hundred eighty-four".