39679659 has 16 divisors (see below), whose sum is σ = 60682240. Its totient is φ = 25599240.

The previous prime is 39679643. The next prime is 39679681. The reversal of 39679659 is 95697693.

It is not a de Polignac number, because 39679659 - 2⁴ = 39679643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39679639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22867 + ... + 24540.

It is an arithmetic number, because the mean of its divisors is an integer number (3792640).

Almost surely, 2^39679659 is an apocalyptic number.

39679659 is a deficient number, since it is larger than the sum of its proper divisors (21002581).

39679659 is a wasteful number, since it uses less digits than its factorization.

39679659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47447 (or 47441 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 54.

The square root of 39679659 is about 6299.1792322492. The cubic root of 39679659 is about 341.0797822742.

The spelling of 39679659 in words is "thirty-nine million, six hundred seventy-nine thousand, six hundred fifty-nine".