39242015 has 16 divisors (see below), whose sum is σ = 49497888. Its totient is φ = 29828736.

The previous prime is 39241999. The next prime is 39242023. The reversal of 39242015 is 51024293.

It is a cyclic number.

It is not a de Polignac number, because 39242015 - 2⁴ = 39241999 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5489 + ... + 10421.

It is an arithmetic number, because the mean of its divisors is an integer number (3093618).

Almost surely, 2^39242015 is an apocalyptic number.

39242015 is a deficient number, since it is larger than the sum of its proper divisors (10255873).

39242015 is a wasteful number, since it uses less digits than its factorization.

39242015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 39242015 is about 6264.3447382787. The cubic root of 39242015 is about 339.8211718184.

The spelling of 39242015 in words is "thirty-nine million, two hundred forty-two thousand, fifteen".