338438172 has 48 divisors (see below), whose sum is σ = 804021120. Its totient is φ = 110776512.

The previous prime is 338438171. The next prime is 338438183. The reversal of 338438172 is 271834833.

It is a super-2 number, since 2×338438172² = 229080792533403168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338438172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338438171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408823 + ... + 409649.

It is an arithmetic number, because the mean of its divisors is an integer number (16750440).

Almost surely, 2^338438172 is an apocalyptic number.

It is an amenable number.

338438172 is an abundant number, since it is smaller than the sum of its proper divisors (465582948).

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

338438172 is a wasteful number, since it uses less digits than its factorization.

338438172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410 (or 1408 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 338438172 is about 18396.6891586503. The cubic root of 338438172 is about 696.8828554069.

The spelling of 338438172 in words is "three hundred thirty-eight million, four hundred thirty-eight thousand, one hundred seventy-two".