38590665 has 16 divisors (see below), whose sum is σ = 64430208. Its totient is φ = 19686656.

The previous prime is 38590639. The next prime is 38590693. The reversal of 38590665 is 56609583.

It is a cyclic number.

It is not a de Polignac number, because 38590665 - 2⁵ = 38590633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55584 + ... + 56273.

It is an arithmetic number, because the mean of its divisors is an integer number (4026888).

Almost surely, 2^38590665 is an apocalyptic number.

It is an amenable number.

38590665 is a deficient number, since it is larger than the sum of its proper divisors (25839543).

38590665 is a wasteful number, since it uses less digits than its factorization.

38590665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111888.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 38590665 is about 6212.1385206706. The cubic root of 38590665 is about 337.9305232827.

The spelling of 38590665 in words is "thirty-eight million, five hundred ninety thousand, six hundred sixty-five".