38590690 has 16 divisors (see below), whose sum is σ = 69537528. Its totient is φ = 15419776.

The previous prime is 38590639. The next prime is 38590693. The reversal of 38590690 is 9609583.

It can be written as a sum of positive squares in 4 ways, for example, as 34562641 + 4028049 = 5879^2 + 2007^2 .

It is a super-2 number, since 2×38590690² = 2978482709352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38590693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12984 + ... + 15676.

Almost surely, 2^38590690 is an apocalyptic number.

38590690 is a deficient number, since it is larger than the sum of its proper divisors (30946838).

38590690 is a wasteful number, since it uses less digits than its factorization.

38590690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 38590690 is about 6212.1405328598. The cubic root of 38590690 is about 337.9305962560.

The spelling of 38590690 in words is "thirty-eight million, five hundred ninety thousand, six hundred ninety".