39238985 has 4 divisors (see below), whose sum is σ = 47086788. Its totient is φ = 31391184.

The previous prime is 39238961. The next prime is 39239003. The reversal of 39238985 is 58983293.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25482304 + 13756681 = 5048^2 + 3709^2 .

It is a cyclic number.

It is not a de Polignac number, because 39238985 - 2⁸ = 39238729 is a prime.

It is a Duffinian number.

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, 3923894 + ... + 3923903.

It is an arithmetic number, because the mean of its divisors is an integer number (11771697).

Almost surely, 2^39238985 is an apocalyptic number.

It is an amenable number.

39238985 is a deficient number, since it is larger than the sum of its proper divisors (7847803).

39238985 is an equidigital number, since it uses as much as digits as its factorization.

39238985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7847802.

The product of its digits is 466560, while the sum is 47.

The square root of 39238985 is about 6264.1028886825. The cubic root of 39238985 is about 339.8124253710.

The spelling of 39238985 in words is "thirty-nine million, two hundred thirty-eight thousand, nine hundred eighty-five".