39040923 has 4 divisors (see below), whose sum is σ = 52054568. Its totient is φ = 26027280.

The previous prime is 39040919. The next prime is 39040933. The reversal of 39040923 is 32904093.

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

It is not a de Polignac number, because 39040923 - 2² = 39040919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39040933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6506818 + ... + 6506823.

It is an arithmetic number, because the mean of its divisors is an integer number (13013642).

Almost surely, 2^39040923 is an apocalyptic number.

39040923 is a deficient number, since it is larger than the sum of its proper divisors (13013645).

39040923 is a wasteful number, since it uses less digits than its factorization.

39040923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13013644.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 39040923 is about 6248.2736015639. The cubic root of 39040923 is about 339.2397169798.

The spelling of 39040923 in words is "thirty-nine million, forty thousand, nine hundred twenty-three".