32639996 has 12 divisors (see below), whose sum is σ = 58335648. Its totient is φ = 15972672.

The previous prime is 32639987. The next prime is 32640001. The reversal of 32639996 is 69993623.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 32639996.

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, 86621 + ... + 86996.

It is an arithmetic number, because the mean of its divisors is an integer number (4861304).

Almost surely, 2^32639996 is an apocalyptic number.

It is an amenable number.

32639996 is a deficient number, since it is larger than the sum of its proper divisors (25695652).

32639996 is a wasteful number, since it uses less digits than its factorization.

32639996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173668 (or 173666 counting only the distinct ones).

The product of its digits is 472392, while the sum is 47.

The square root of 32639996 is about 5713.1423927642. The cubic root of 32639996 is about 319.5827765633.

The spelling of 32639996 in words is "thirty-two million, six hundred thirty-nine thousand, nine hundred ninety-six".