464712638 has 16 divisors (see below), whose sum is σ = 751993200. Its totient is φ = 214110336.

The previous prime is 464712587. The next prime is 464712643. The reversal of 464712638 is 836217464.

It is a junction number, because it is equal to n+sod(n) for n = 464712595 and 464712604.

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, 38 + ... + 30486.

It is an arithmetic number, because the mean of its divisors is an integer number (46999575).

Almost surely, 2^464712638 is an apocalyptic number.

464712638 is a deficient number, since it is larger than the sum of its proper divisors (287280562).

464712638 is a wasteful number, since it uses less digits than its factorization.

464712638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31051.

The product of its digits is 193536, while the sum is 41.

The square root of 464712638 is about 21557.1945762894. The cubic root of 464712638 is about 774.5714664521.

The spelling of 464712638 in words is "four hundred sixty-four million, seven hundred twelve thousand, six hundred thirty-eight".