338566964 has 6 divisors (see below), whose sum is σ = 592492194. Its totient is φ = 169283480.

The previous prime is 338566961. The next prime is 338566981. The reversal of 338566964 is 469665833.

It can be written as a sum of positive squares in only one way, i.e., 270339364 + 68227600 = 16442^2 + 8260^2 .

It is a super-2 number, since 2×338566964² = 229255178224354592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338566961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42320867 + ... + 42320874.

It is an arithmetic number, because the mean of its divisors is an integer number (98748699).

Almost surely, 2^338566964 is an apocalyptic number.

It is an amenable number.

338566964 is a deficient number, since it is larger than the sum of its proper divisors (253925230).

338566964 is a wasteful number, since it uses less digits than its factorization.

338566964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84641745 (or 84641743 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 50.

The square root of 338566964 is about 18400.1892381573. The cubic root of 338566964 is about 696.9712433425.

The spelling of 338566964 in words is "three hundred thirty-eight million, five hundred sixty-six thousand, nine hundred sixty-four".