39397679 has 8 divisors (see below), whose sum is σ = 40452048. Its totient is φ = 38347840.

The previous prime is 39397667. The next prime is 39397681. The reversal of 39397679 is 97679393.

39397679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 39397679 - 2²⁴ = 22620463 is a prime.

It is a super-2 number, since 2×39397679² = 3104354221174082, which contains 22 as substring.

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 39397679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39397639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23249 + ... + 24885.

It is an arithmetic number, because the mean of its divisors is an integer number (5056506).

Almost surely, 2^39397679 is an apocalyptic number.

39397679 is a deficient number, since it is larger than the sum of its proper divisors (1054369).

39397679 is a wasteful number, since it uses less digits than its factorization.

39397679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265.

The product of its digits is 1928934, while the sum is 53.

The square root of 39397679 is about 6276.7570448441. The cubic root of 39397679 is about 340.2699096658.

The spelling of 39397679 in words is "thirty-nine million, three hundred ninety-seven thousand, six hundred seventy-nine".