39979802 has 8 divisors (see below), whose sum is σ = 60002112. Its totient is φ = 19979100.

The previous prime is 39979769. The next prime is 39979813. The reversal of 39979802 is 20897993.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527 + ... + 8957.

It is an arithmetic number, because the mean of its divisors is an integer number (7500264).

Almost surely, 2^39979802 is an apocalyptic number.

39979802 is a deficient number, since it is larger than the sum of its proper divisors (20022310).

39979802 is a wasteful number, since it uses less digits than its factorization.

39979802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10804.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 39979802 is about 6322.9583266063. The cubic root of 39979802 is about 341.9376161534.

The spelling of 39979802 in words is "thirty-nine million, nine hundred seventy-nine thousand, eight hundred two".