338379280 has 20 divisors (see below), whose sum is σ = 786732012. Its totient is φ = 135351680.

The previous prime is 338379269. The next prime is 338379313. The reversal of 338379280 is 82973833.

It can be written as a sum of positive squares in 2 ways, for example, as 49787136 + 288592144 = 7056^2 + 16988^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×338379280² = 229001074266636800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114791 + ... + 2114950.

Almost surely, 2^338379280 is an apocalyptic number.

It is an amenable number.

338379280 is an abundant number, since it is smaller than the sum of its proper divisors (448352732).

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

338379280 is a wasteful number, since it uses less digits than its factorization.

338379280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229754 (or 4229748 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 338379280 is about 18395.0884749163. The cubic root of 338379280 is about 696.8424312770.

The spelling of 338379280 in words is "three hundred thirty-eight million, three hundred seventy-nine thousand, two hundred eighty".