39900736 has 28 divisors (see below), whose sum is σ = 79493872. Its totient is φ = 19870848.

The previous prime is 39900719. The next prime is 39900739. The reversal of 39900736 is 63700993.

It is a junction number, because it is equal to n+sod(n) for n = 39900695 and 39900704.

It is not an unprimeable number, because it can be changed into a prime (39900739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17011 + ... + 19213.

Almost surely, 2^39900736 is an apocalyptic number.

It is an amenable number.

39900736 is a deficient number, since it is larger than the sum of its proper divisors (39593136).

39900736 is a wasteful number, since it uses less digits than its factorization.

39900736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2488 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 39900736 is about 6316.7029374508. The cubic root of 39900736 is about 341.7120565780.

The spelling of 39900736 in words is "thirty-nine million, nine hundred thousand, seven hundred thirty-six".