338039172 has 18 divisors (see below), whose sum is σ = 854487998. Its totient is φ = 112679712.

The previous prime is 338039153. The next prime is 338039179. The reversal of 338039172 is 271930833.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 213627456 + 124411716 = 14616^2 + 11154^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×338039172² = 228540963612891168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 9389977 = 338039172 / (3 + 3 + 8 + 0 + 3 + 9 + 1 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (338039179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4694953 + ... + 4695024.

Almost surely, 2^338039172 is an apocalyptic number.

It is an amenable number.

338039172 is an abundant number, since it is smaller than the sum of its proper divisors (516448826).

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

338039172 is a wasteful number, since it uses less digits than its factorization.

338039172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9389987 (or 9389982 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 338039172 is about 18385.8416179407. The cubic root of 338039172 is about 696.6088855212.

The spelling of 338039172 in words is "three hundred thirty-eight million, thirty-nine thousand, one hundred seventy-two".