39696500 has 24 divisors (see below), whose sum is σ = 86698248. Its totient is φ = 15878400.

The previous prime is 39696469. The next prime is 39696521. The reversal of 39696500 is 569693.

It can be written as a sum of positive squares in 4 ways, for example, as 708964 + 38987536 = 842^2 + 6244^2 .

It is a super-2 number, since 2×39696500² = 3151624224500000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39197 + ... + 40196.

It is an arithmetic number, because the mean of its divisors is an integer number (3612427).

Almost surely, 2^39696500 is an apocalyptic number.

It is an amenable number.

39696500 is an abundant number, since it is smaller than the sum of its proper divisors (47001748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39696500 is a wasteful number, since it uses less digits than its factorization.

39696500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79412 (or 79400 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 39696500 is about 6300.5158518966. The cubic root of 39696500 is about 341.1280295988.

The spelling of 39696500 in words is "thirty-nine million, six hundred ninety-six thousand, five hundred".