232620644 has 12 divisors (see below), whose sum is σ = 409440444. Its totient is φ = 115637664.

The previous prime is 232620601. The next prime is 232620677. The reversal of 232620644 is 446026232.

232620644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 188238400 + 44382244 = 13720^2 + 6662^2 .

It is a super-2 number, since 2×232620644² = 108224728029949472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167387 + ... + 168770.

It is an arithmetic number, because the mean of its divisors is an integer number (34120037).

Almost surely, 2^232620644 is an apocalyptic number.

It is an amenable number.

232620644 is a deficient number, since it is larger than the sum of its proper divisors (176819800).

232620644 is a wasteful number, since it uses less digits than its factorization.

232620644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336334 (or 336332 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 232620644 is about 15251.9062415162. The cubic root of 232620644 is about 615.0108125977.

Adding to 232620644 its reverse (446026232), we get a palindrome (678646876).

The spelling of 232620644 in words is "two hundred thirty-two million, six hundred twenty thousand, six hundred forty-four".