39668630 has 8 divisors (see below), whose sum is σ = 71403552. Its totient is φ = 15867448.

The previous prime is 39668597. The next prime is 39668653. The reversal of 39668630 is 3686693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983422 + ... + 1983441.

It is an arithmetic number, because the mean of its divisors is an integer number (8925444).

Almost surely, 2^39668630 is an apocalyptic number.

39668630 is a deficient number, since it is larger than the sum of its proper divisors (31734922).

39668630 is a wasteful number, since it uses less digits than its factorization.

39668630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966870.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 39668630 is about 6298.3037398970. The cubic root of 39668630 is about 341.0481781930.

The spelling of 39668630 in words is "thirty-nine million, six hundred sixty-eight thousand, six hundred thirty".