338399694 has 40 divisors (see below), whose sum is σ = 759425040. Its totient is φ = 112627584.

The previous prime is 338399651. The next prime is 338399707. The reversal of 338399694 is 496993833.

It is a happy number.

It is a super-2 number, since 2×338399694² = 229028705798587272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 338399694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 147742 + ... + 150014.

It is an arithmetic number, because the mean of its divisors is an integer number (18985626).

Almost surely, 2^338399694 is an apocalyptic number.

338399694 is an abundant number, since it is smaller than the sum of its proper divisors (421025346).

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

338399694 is a wasteful number, since it uses less digits than its factorization.

338399694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3197 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 54.

The square root of 338399694 is about 18395.6433429223. The cubic root of 338399694 is about 696.8564442069.

The spelling of 338399694 in words is "three hundred thirty-eight million, three hundred ninety-nine thousand, six hundred ninety-four".