39398516 has 6 divisors (see below), whose sum is σ = 68947410. Its totient is φ = 19699256.

The previous prime is 39398507. The next prime is 39398519. The reversal of 39398516 is 61589393.

It can be written as a sum of positive squares in only one way, i.e., 33686416 + 5712100 = 5804^2 + 2390^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39398519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4924811 + ... + 4924818.

It is an arithmetic number, because the mean of its divisors is an integer number (11491235).

Almost surely, 2^39398516 is an apocalyptic number.

It is an amenable number.

39398516 is a deficient number, since it is larger than the sum of its proper divisors (29548894).

39398516 is a wasteful number, since it uses less digits than its factorization.

39398516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849633 (or 9849631 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 39398516 is about 6276.8237190477. The cubic root of 39398516 is about 340.2723193161.

The spelling of 39398516 in words is "thirty-nine million, three hundred ninety-eight thousand, five hundred sixteen".