39490732 has 6 divisors (see below), whose sum is σ = 69108788. Its totient is φ = 19745364.

The previous prime is 39490723. The next prime is 39490733. The reversal of 39490732 is 23709493.

It is a junction number, because it is equal to n+sod(n) for n = 39490691 and 39490700.

It is not an unprimeable number, because it can be changed into a prime (39490733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4936338 + ... + 4936345.

Almost surely, 2^39490732 is an apocalyptic number.

It is an amenable number.

39490732 is a deficient number, since it is larger than the sum of its proper divisors (29618056).

39490732 is a wasteful number, since it uses less digits than its factorization.

39490732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9872687 (or 9872685 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 39490732 is about 6284.1651792422. The cubic root of 39490732 is about 340.5375924420.

The spelling of 39490732 in words is "thirty-nine million, four hundred ninety thousand, seven hundred thirty-two".