338738636 has 12 divisors (see below), whose sum is σ = 592942560. Its totient is φ = 169326480.

The previous prime is 338738633. The next prime is 338738639. The reversal of 338738636 is 636837833.

It is an interprime number because it is at equal distance from previous prime (338738633) and next prime (338738639).

It is a super-2 number, since 2×338738636² = 229487727038280992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338738633) 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, 12830 + ... + 29018.

It is an arithmetic number, because the mean of its divisors is an integer number (49411880).

Almost surely, 2^338738636 is an apocalyptic number.

It is an amenable number.

338738636 is a deficient number, since it is larger than the sum of its proper divisors (254203924).

338738636 is a wasteful number, since it uses less digits than its factorization.

338738636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21424 (or 21422 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 47.

The square root of 338738636 is about 18404.8535989831. The cubic root of 338738636 is about 697.0890243061.

The spelling of 338738636 in words is "three hundred thirty-eight million, seven hundred thirty-eight thousand, six hundred thirty-six".