39879344 has 10 divisors (see below), whose sum is σ = 77266260. Its totient is φ = 19939664.

The previous prime is 39879341. The next prime is 39879383. The reversal of 39879344 is 44397893.

It is not an unprimeable number, because it can be changed into a prime (39879341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246214 + ... + 1246245.

It is an arithmetic number, because the mean of its divisors is an integer number (7726626).

Almost surely, 2^39879344 is an apocalyptic number.

It is an amenable number.

39879344 is a deficient number, since it is larger than the sum of its proper divisors (37386916).

39879344 is a wasteful number, since it uses less digits than its factorization.

39879344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492467 (or 2492461 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 39879344 is about 6315.0094220041. The cubic root of 39879344 is about 341.6509782472.

It can be divided in two parts, 3987 and 9344, that added together give a palindrome (13331).

The spelling of 39879344 in words is "thirty-nine million, eight hundred seventy-nine thousand, three hundred forty-four".