338777538 has 16 divisors (see below), whose sum is σ = 739151136. Its totient is φ = 102659840.

The previous prime is 338777497. The next prime is 338777561. The reversal of 338777538 is 835777833.

338777538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×338777538² = 229540440506682888, 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, 2566431 + ... + 2566562.

It is an arithmetic number, because the mean of its divisors is an integer number (46196946).

Almost surely, 2^338777538 is an apocalyptic number.

338777538 is an abundant number, since it is smaller than the sum of its proper divisors (400373598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

338777538 is a wasteful number, since it uses less digits than its factorization.

338777538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133009.

The product of its digits is 2963520, while the sum is 51.

The square root of 338777538 is about 18405.9104094310. The cubic root of 338777538 is about 697.1157087134.

The spelling of 338777538 in words is "three hundred thirty-eight million, seven hundred seventy-seven thousand, five hundred thirty-eight".