39799199 has 6 divisors (see below), whose sum is σ = 43746360. Its totient is φ = 36180980.

The previous prime is 39799189. The next prime is 39799211. The reversal of 39799199 is 99199793.

It is a happy number.

It is not a de Polignac number, because 39799199 - 2⁴ = 39799183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39799189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 164339 + ... + 164580.

It is an arithmetic number, because the mean of its divisors is an integer number (7291060).

Almost surely, 2^39799199 is an apocalyptic number.

39799199 is a deficient number, since it is larger than the sum of its proper divisors (3947161).

39799199 is a wasteful number, since it uses less digits than its factorization.

39799199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328941 (or 328930 counting only the distinct ones).

The product of its digits is 1240029, while the sum is 56.

The square root of 39799199 is about 6308.6606343978. The cubic root of 39799199 is about 341.4219542443.

The spelling of 39799199 in words is "thirty-nine million, seven hundred ninety-nine thousand, one hundred ninety-nine".