338839420 has 24 divisors (see below), whose sum is σ = 712200384. Its totient is φ = 135414336.

The previous prime is 338839399. The next prime is 338839447. The reversal of 338839420 is 24938833.

It is a super-2 number, since 2×338839420² = 229624305091872800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 17277 + ... + 31243.

It is an arithmetic number, because the mean of its divisors is an integer number (29675016).

Almost surely, 2^338839420 is an apocalyptic number.

It is an amenable number.

338839420 is an abundant number, since it is smaller than the sum of its proper divisors (373360964).

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

338839420 is a wasteful number, since it uses less digits than its factorization.

338839420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15189 (or 15187 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 338839420 is about 18407.5913687804. The cubic root of 338839420 is about 697.1581517949.

The spelling of 338839420 in words is "three hundred thirty-eight million, eight hundred thirty-nine thousand, four hundred twenty".