39398013 has 6 divisors (see below), whose sum is σ = 56908254. Its totient is φ = 26265336.

The previous prime is 39398003. The next prime is 39398069. The reversal of 39398013 is 31089393.

It can be written as a sum of positive squares in only one way, i.e., 32285124 + 7112889 = 5682^2 + 2667^2 .

It is not a de Polignac number, because 39398013 - 2⁴ = 39397997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39398003) 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, 2188770 + ... + 2188787.

It is an arithmetic number, because the mean of its divisors is an integer number (9484709).

Almost surely, 2^39398013 is an apocalyptic number.

It is an amenable number.

39398013 is a deficient number, since it is larger than the sum of its proper divisors (17510241).

39398013 is a wasteful number, since it uses less digits than its factorization.

39398013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377563 (or 4377560 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 39398013 is about 6276.7836508836. The cubic root of 39398013 is about 340.2708712269.

The spelling of 39398013 in words is "thirty-nine million, three hundred ninety-eight thousand, thirteen".