39989594 has 8 divisors (see below), whose sum is σ = 62592480. Its totient is φ = 19125436.

The previous prime is 39989581. The next prime is 39989629. The reversal of 39989594 is 49598993.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434624 + ... + 434715.

It is an arithmetic number, because the mean of its divisors is an integer number (7824060).

Almost surely, 2^39989594 is an apocalyptic number.

39989594 is a deficient number, since it is larger than the sum of its proper divisors (22602886).

39989594 is a wasteful number, since it uses less digits than its factorization.

39989594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869364.

The product of its digits is 3149280, while the sum is 56.

The square root of 39989594 is about 6323.7326002923. The cubic root of 39989594 is about 341.9655300804.

The spelling of 39989594 in words is "thirty-nine million, nine hundred eighty-nine thousand, five hundred ninety-four".