465606638 has 32 divisors (see below), whose sum is σ = 808034304. Its totient is φ = 197098272.

The previous prime is 465606637. The next prime is 465606649. The reversal of 465606638 is 836606564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465606637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545420 + ... + 546272.

It is an arithmetic number, because the mean of its divisors is an integer number (25251072).

Almost surely, 2^465606638 is an apocalyptic number.

465606638 is a deficient number, since it is larger than the sum of its proper divisors (342427666).

465606638 is a wasteful number, since it uses less digits than its factorization.

465606638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 465606638 is about 21577.9201500052. The cubic root of 465606638 is about 775.0678472686.

The spelling of 465606638 in words is "four hundred sixty-five million, six hundred six thousand, six hundred thirty-eight".