32989992 has 64 divisors (see below), whose sum is σ = 95040000. Its totient is φ = 9347520.

The previous prime is 32989967. The next prime is 32990003. The reversal of 32989992 is 29998923.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21259 + ... + 22757.

It is an arithmetic number, because the mean of its divisors is an integer number (1485000).

Almost surely, 2^32989992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32989992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47520000).

32989992 is an abundant number, since it is smaller than the sum of its proper divisors (62050008).

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

32989992 is a wasteful number, since it uses less digits than its factorization.

32989992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1642 counting only the distinct ones).

The product of its digits is 629856, while the sum is 51.

The square root of 32989992 is about 5743.6914958936. The cubic root of 32989992 is about 320.7210044650.

The spelling of 32989992 in words is "thirty-two million, nine hundred eighty-nine thousand, nine hundred ninety-two".