338231660 has 96 divisors (see below), whose sum is σ = 824281920. Its totient is φ = 115458048.

The previous prime is 338231653. The next prime is 338231737. The reversal of 338231660 is 66132833.

It is a super-2 number, since 2×338231660² = 228801311652711200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260132 + ... + 261428.

It is an arithmetic number, because the mean of its divisors is an integer number (8586270).

Almost surely, 2^338231660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 338231660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412140960).

338231660 is an abundant number, since it is smaller than the sum of its proper divisors (486050260).

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

338231660 is a wasteful number, since it uses less digits than its factorization.

338231660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 338231660 is about 18391.0755531046. The cubic root of 338231660 is about 696.7410826343.

The spelling of 338231660 in words is "three hundred thirty-eight million, two hundred thirty-one thousand, six hundred sixty".