32661992 has 64 divisors (see below), whose sum is σ = 69984000. Its totient is φ = 14160640.

The previous prime is 32661991. The next prime is 32662043. The reversal of 32661992 is 29916623.

It is not an unprimeable number, because it can be changed into a prime (32661991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219134 + ... + 219282.

It is an arithmetic number, because the mean of its divisors is an integer number (1093500).

Almost surely, 2^32661992 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 32661992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34992000).

32661992 is an abundant number, since it is smaller than the sum of its proper divisors (37322008).

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

32661992 is a wasteful number, since it uses less digits than its factorization.

32661992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 262 counting only the distinct ones).

The product of its digits is 34992, while the sum is 38.

The square root of 32661992 is about 5715.0671037180. The cubic root of 32661992 is about 319.6545490831.

The spelling of 32661992 in words is "thirty-two million, six hundred sixty-one thousand, nine hundred ninety-two".