338158572 has 12 divisors (see below), whose sum is σ = 789036696. Its totient is φ = 112719520.

The previous prime is 338158549. The next prime is 338158609. The reversal of 338158572 is 275851833.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×338158572² = 228702439634158368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14089929 + ... + 14089952.

It is an arithmetic number, because the mean of its divisors is an integer number (65753058).

Almost surely, 2^338158572 is an apocalyptic number.

It is an amenable number.

338158572 is an abundant number, since it is smaller than the sum of its proper divisors (450878124).

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

338158572 is a wasteful number, since it uses less digits than its factorization.

338158572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28179888 (or 28179886 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 338158572 is about 18389.0883950238. The cubic root of 338158572 is about 696.6908930880.

The spelling of 338158572 in words is "three hundred thirty-eight million, one hundred fifty-eight thousand, five hundred seventy-two".