338921936 has 20 divisors (see below), whose sum is σ = 657486564. Its totient is φ = 169248000.

The previous prime is 338921899. The next prime is 338921939. The reversal of 338921936 is 639129833.

It can be written as a sum of positive squares in 2 ways, for example, as 133171600 + 205750336 = 11540^2 + 14344^2 .

It is a super-2 number, since 2×338921936² = 229736157403976192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338921939) 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, 236 + ... + 26036.

Almost surely, 2^338921936 is an apocalyptic number.

It is an amenable number.

338921936 is a deficient number, since it is larger than the sum of its proper divisors (318564628).

338921936 is a wasteful number, since it uses less digits than its factorization.

338921936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26630 (or 26624 counting only the distinct ones).

The product of its digits is 209952, while the sum is 44.

The square root of 338921936 is about 18409.8325902220. The cubic root of 338921936 is about 697.2147391040.

The spelling of 338921936 in words is "three hundred thirty-eight million, nine hundred twenty-one thousand, nine hundred thirty-six".