338169520 has 40 divisors (see below), whose sum is σ = 846727056. Its totient is φ = 124862208.

The previous prime is 338169487. The next prime is 338169523. The reversal of 338169520 is 25961833.

338169520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×338169520² = 228717248514060800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 338169520.

It is not an unprimeable number, because it can be changed into a prime (338169523) 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, 161542 + ... + 163621.

Almost surely, 2^338169520 is an apocalyptic number.

It is an amenable number.

338169520 is an abundant number, since it is smaller than the sum of its proper divisors (508557536).

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

338169520 is a wasteful number, since it uses less digits than its factorization.

338169520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325189 (or 325183 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 338169520 is about 18389.3860691433. The cubic root of 338169520 is about 696.6984115426.

The spelling of 338169520 in words is "three hundred thirty-eight million, one hundred sixty-nine thousand, five hundred twenty".