39890595 has 16 divisors (see below), whose sum is σ = 67184640. Its totient is φ = 20155104.

The previous prime is 39890567. The next prime is 39890597. The reversal of 39890595 is 59509893.

It is not a de Polignac number, because 39890595 - 2⁶ = 39890531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39890597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69699 + ... + 70268.

It is an arithmetic number, because the mean of its divisors is an integer number (4199040).

Almost surely, 2^39890595 is an apocalyptic number.

39890595 is a deficient number, since it is larger than the sum of its proper divisors (27294045).

39890595 is a wasteful number, since it uses less digits than its factorization.

39890595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139994.

The product of its (nonzero) digits is 437400, while the sum is 48.

The square root of 39890595 is about 6315.9001733720. The cubic root of 39890595 is about 341.6831047680.

The spelling of 39890595 in words is "thirty-nine million, eight hundred ninety thousand, five hundred ninety-five".