338979938 has 16 divisors (see below), whose sum is σ = 556027200. Its totient is φ = 153711600.

The previous prime is 338979929. The next prime is 338979967. The reversal of 338979938 is 839979833.

It is a super-2 number, since 2×338979938² = 229814796732967688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9038 + ... + 27561.

It is an arithmetic number, because the mean of its divisors is an integer number (34751700).

Almost surely, 2^338979938 is an apocalyptic number.

338979938 is a deficient number, since it is larger than the sum of its proper divisors (217047262).

338979938 is a wasteful number, since it uses less digits than its factorization.

338979938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37033.

The product of its digits is 8817984, while the sum is 59.

The square root of 338979938 is about 18411.4078223258. The cubic root of 338979938 is about 697.2545098577.

The spelling of 338979938 in words is "three hundred thirty-eight million, nine hundred seventy-nine thousand, nine hundred thirty-eight".