338817879 has 12 divisors (see below), whose sum is σ = 505191232. Its totient is φ = 218592000.

The previous prime is 338817863. The next prime is 338817883. The reversal of 338817879 is 978718833.

It is not a de Polignac number, because 338817879 - 2⁴ = 338817863 is a prime.

It is a super-2 number, since 2×338817879² = 229595110260117282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338817079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606922 + ... + 607479.

Almost surely, 2^338817879 is an apocalyptic number.

338817879 is a deficient number, since it is larger than the sum of its proper divisors (166373353).

338817879 is a wasteful number, since it uses less digits than its factorization.

338817879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214438 (or 1214435 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 338817879 is about 18407.0062476221. The cubic root of 338817879 is about 697.1433780298.

The spelling of 338817879 in words is "three hundred thirty-eight million, eight hundred seventeen thousand, eight hundred seventy-nine".