338449872 has 40 divisors (see below), whose sum is σ = 925762176. Its totient is φ = 106180096.

The previous prime is 338449843. The next prime is 338449877. The reversal of 338449872 is 278944833.

It is a super-2 number, since 2×338449872² = 229096631713632768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338449877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206568 + ... + 208199.

Almost surely, 2^338449872 is an apocalyptic number.

It is an amenable number.

338449872 is an abundant number, since it is smaller than the sum of its proper divisors (587312304).

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

338449872 is a wasteful number, since it uses less digits than its factorization.

338449872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414795 (or 414789 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 338449872 is about 18397.0071479032. The cubic root of 338449872 is about 696.8908858599.

The spelling of 338449872 in words is "three hundred thirty-eight million, four hundred forty-nine thousand, eight hundred seventy-two".