32109966 has 32 divisors (see below), whose sum is σ = 81550080. Its totient is φ = 9174168.

The previous prime is 32109953. The next prime is 32109971. The reversal of 32109966 is 66990123.

It is a self number, because there is not a number n which added to its sum of digits gives 32109966.

It is a congruent number.

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, 42096 + ... + 42851.

It is an arithmetic number, because the mean of its divisors is an integer number (2548440).

Almost surely, 2^32109966 is an apocalyptic number.

32109966 is an abundant number, since it is smaller than the sum of its proper divisors (49440114).

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

32109966 is a wasteful number, since it uses less digits than its factorization.

32109966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84965 (or 84959 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 32109966 is about 5666.5656265502. The cubic root of 32109966 is about 317.8434615810.

The spelling of 32109966 in words is "thirty-two million, one hundred nine thousand, nine hundred sixty-six".