332312638 has 8 divisors (see below), whose sum is σ = 569678832. Its totient is φ = 142419696.

The previous prime is 332312633. The next prime is 332312681. The reversal of 332312638 is 836213233.

332312638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×332312638² = 220863378749038088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332312633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11868295 + ... + 11868322.

It is an arithmetic number, because the mean of its divisors is an integer number (71209854).

Almost surely, 2^332312638 is an apocalyptic number.

332312638 is a deficient number, since it is larger than the sum of its proper divisors (237366194).

332312638 is a wasteful number, since it uses less digits than its factorization.

332312638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23736626.

The product of its digits is 15552, while the sum is 31.

The square root of 332312638 is about 18229.4442592198. Note that the first 3 decimals coincide. The cubic root of 332312638 is about 692.6528401453.

The spelling of 332312638 in words is "three hundred thirty-two million, three hundred twelve thousand, six hundred thirty-eight".