338726464 has 28 divisors (see below), whose sum is σ = 674980108. Its totient is φ = 168652800.

The previous prime is 338726447. The next prime is 338726489. The reversal of 338726464 is 464627833.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 261145600 + 77580864 = 16160^2 + 8808^2 .

It is a super-2 number, since 2×338726464² = 229471234827886592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338726464.

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, 4444 + ... + 26404.

Almost surely, 2^338726464 is an apocalyptic number.

It is an amenable number.

338726464 is a deficient number, since it is larger than the sum of its proper divisors (336253644).

338726464 is a wasteful number, since it uses less digits than its factorization.

338726464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22214 (or 22204 counting only the distinct ones).

The product of its digits is 580608, while the sum is 43.

The square root of 338726464 is about 18404.5229223688. The cubic root of 338726464 is about 697.0806746344.

The spelling of 338726464 in words is "three hundred thirty-eight million, seven hundred twenty-six thousand, four hundred sixty-four".