489495904 has 12 divisors (see below), whose sum is σ = 963695124. Its totient is φ = 244747936.

The previous prime is 489495889. The next prime is 489495907. The reversal of 489495904 is 409594984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489495907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7648342 + ... + 7648405.

It is an arithmetic number, because the mean of its divisors is an integer number (80307927).

Almost surely, 2^489495904 is an apocalyptic number.

It is an amenable number.

489495904 is a deficient number, since it is larger than the sum of its proper divisors (474199220).

489495904 is a wasteful number, since it uses less digits than its factorization.

489495904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15296757 (or 15296749 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 489495904 is about 22124.5543231949. The cubic root of 489495904 is about 788.1030725712.

The spelling of 489495904 in words is "four hundred eighty-nine million, four hundred ninety-five thousand, nine hundred four".