39715090 has 16 divisors (see below), whose sum is σ = 71565120. Its totient is φ = 15868720.

The previous prime is 39715079. The next prime is 39715129. The reversal of 39715090 is 9051793.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11685 + ... + 14695.

It is an arithmetic number, because the mean of its divisors is an integer number (4472820).

Almost surely, 2^39715090 is an apocalyptic number.

39715090 is a deficient number, since it is larger than the sum of its proper divisors (31850030).

39715090 is a wasteful number, since it uses less digits than its factorization.

39715090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 39715090 is about 6301.9909552458. The cubic root of 39715090 is about 341.1812717435.

The spelling of 39715090 in words is "thirty-nine million, seven hundred fifteen thousand, ninety".