39930692 has 6 divisors (see below), whose sum is σ = 69878718. Its totient is φ = 19965344.

The previous prime is 39930689. The next prime is 39930721. The reversal of 39930692 is 29603993.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30096196 + 9834496 = 5486^2 + 3136^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991333 + ... + 4991340.

It is an arithmetic number, because the mean of its divisors is an integer number (11646453).

Almost surely, 2^39930692 is an apocalyptic number.

It is an amenable number.

39930692 is a deficient number, since it is larger than the sum of its proper divisors (29948026).

39930692 is a wasteful number, since it uses less digits than its factorization.

39930692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9982677 (or 9982675 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 39930692 is about 6319.0736662900. The cubic root of 39930692 is about 341.7975501200.

The spelling of 39930692 in words is "thirty-nine million, nine hundred thirty thousand, six hundred ninety-two".