39879695 has 8 divisors (see below), whose sum is σ = 48099744. Its totient is φ = 31741024.

The previous prime is 39879661. The next prime is 39879703. The reversal of 39879695 is 59697893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39879695 - 2⁸ = 39879439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39879695.

It is a congruent number.

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, 19259 + ... + 21228.

It is an arithmetic number, because the mean of its divisors is an integer number (6012468).

Almost surely, 2^39879695 is an apocalyptic number.

39879695 is a deficient number, since it is larger than the sum of its proper divisors (8220049).

39879695 is a wasteful number, since it uses less digits than its factorization.

39879695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40689.

The product of its digits is 3674160, while the sum is 56.

The square root of 39879695 is about 6315.0372128753. The cubic root of 39879695 is about 341.6519805969.

The spelling of 39879695 in words is "thirty-nine million, eight hundred seventy-nine thousand, six hundred ninety-five".