32289980 has 24 divisors (see below), whose sum is σ = 68823888. Its totient is φ = 12722688.

The previous prime is 32289979. The next prime is 32289997. The reversal of 32289980 is 8998223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10709 + ... + 13388.

It is an arithmetic number, because the mean of its divisors is an integer number (2867662).

Almost surely, 2^32289980 is an apocalyptic number.

It is an amenable number.

32289980 is an abundant number, since it is smaller than the sum of its proper divisors (36533908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32289980 is a wasteful number, since it uses less digits than its factorization.

32289980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24173 (or 24171 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 32289980 is about 5682.4272982591. The cubic root of 32289980 is about 318.4363168048.

The spelling of 32289980 in words is "thirty-two million, two hundred eighty-nine thousand, nine hundred eighty".