492311864 has 32 divisors (see below), whose sum is σ = 1008599040. Its totient is φ = 223423200.

The previous prime is 492311863. The next prime is 492311893. The reversal of 492311864 is 468113294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492311861) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56009 + ... + 64199.

It is an arithmetic number, because the mean of its divisors is an integer number (31518720).

Almost surely, 2^492311864 is an apocalyptic number.

492311864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

492311864 is an abundant number, since it is smaller than the sum of its proper divisors (516287176).

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

492311864 is a wasteful number, since it uses less digits than its factorization.

492311864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8891 (or 8887 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 492311864 is about 22188.1018566258. The cubic root of 492311864 is about 789.6114438102.

The spelling of 492311864 in words is "four hundred ninety-two million, three hundred eleven thousand, eight hundred sixty-four".