38813444 has 12 divisors (see below), whose sum is σ = 69759564. Its totient is φ = 18882144.

The previous prime is 38813381. The next prime is 38813461. The reversal of 38813444 is 44431883.

It can be written as a sum of positive squares in 2 ways, for example, as 29571844 + 9241600 = 5438^2 + 3040^2 .

It is a super-2 number, since 2×38813444² = 3012966870282272, 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, 130979 + ... + 131274.

It is an arithmetic number, because the mean of its divisors is an integer number (5813297).

Almost surely, 2^38813444 is an apocalyptic number.

It is an amenable number.

38813444 is a deficient number, since it is larger than the sum of its proper divisors (30946120).

38813444 is a wasteful number, since it uses less digits than its factorization.

38813444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262294 (or 262292 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 38813444 is about 6230.0436595581. The cubic root of 38813444 is about 338.5795526002.

The spelling of 38813444 in words is "thirty-eight million, eight hundred thirteen thousand, four hundred forty-four".