338390380 has 24 divisors (see below), whose sum is σ = 748021680. Its totient is φ = 128232000.

The previous prime is 338390369. The next prime is 338390407. The reversal of 338390380 is 83093833.

It is a super-2 number, since 2×338390380² = 229016098553088800, which contains 22 as substring.

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, 444871 + ... + 445630.

It is an arithmetic number, because the mean of its divisors is an integer number (31167570).

Almost surely, 2^338390380 is an apocalyptic number.

It is an amenable number.

338390380 is an abundant number, since it is smaller than the sum of its proper divisors (409631300).

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

338390380 is a wasteful number, since it uses less digits than its factorization.

338390380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890529 (or 890527 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 338390380 is about 18395.3901834128. The cubic root of 338390380 is about 696.8500508003.

The spelling of 338390380 in words is "three hundred thirty-eight million, three hundred ninety thousand, three hundred eighty".