38990570 has 8 divisors (see below), whose sum is σ = 70183044. Its totient is φ = 15596224.

The previous prime is 38990533. The next prime is 38990593. The reversal of 38990570 is 7509983.

It can be written as a sum of positive squares in 2 ways, for example, as 36954241 + 2036329 = 6079^2 + 1427^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1949519 + ... + 1949538.

Almost surely, 2^38990570 is an apocalyptic number.

38990570 is a deficient number, since it is larger than the sum of its proper divisors (31192474).

38990570 is a wasteful number, since it uses less digits than its factorization.

38990570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899064.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 38990570 is about 6244.2429485087. The cubic root of 38990570 is about 339.0938095136.

The spelling of 38990570 in words is "thirty-eight million, nine hundred ninety thousand, five hundred seventy".