39949199 has 4 divisors (see below), whose sum is σ = 40322664. Its totient is φ = 39575736.

The previous prime is 39949187. The next prime is 39949207. The reversal of 39949199 is 99194993.

39949199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99194993 = 29 ⋅3420517.

It is a cyclic number.

It is not a de Polignac number, because 39949199 - 2⁸ = 39948943 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 39949199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39949109) 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 3 ways as a sum of consecutive naturals, for example, 186572 + ... + 186785.

It is an arithmetic number, because the mean of its divisors is an integer number (10080666).

Almost surely, 2^39949199 is an apocalyptic number.

39949199 is a deficient number, since it is larger than the sum of its proper divisors (373465).

39949199 is a wasteful number, since it uses less digits than its factorization.

39949199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373464.

The product of its digits is 708588, while the sum is 53.

The square root of 39949199 is about 6320.5378726814. The cubic root of 39949199 is about 341.8503471869.

The spelling of 39949199 in words is "thirty-nine million, nine hundred forty-nine thousand, one hundred ninety-nine".