18936932 has 36 divisors (see below), whose sum is σ = 39070080. Its totient is φ = 8006544.

The previous prime is 18936923. The next prime is 18936979. The reversal of 18936932 is 23963981.

It is a self number, because there is not a number n which added to its sum of digits gives 18936932.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14873 + ... + 16095.

It is an arithmetic number, because the mean of its divisors is an integer number (1085280).

Almost surely, 2^18936932 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 18936932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19535040).

18936932 is an abundant number, since it is smaller than the sum of its proper divisors (20133148).

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

18936932 is a wasteful number, since it uses less digits than its factorization.

18936932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320 (or 1311 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 18936932 is about 4351.6585343981. The cubic root of 18936932 is about 266.5445906517.

The spelling of 18936932 in words is "eighteen million, nine hundred thirty-six thousand, nine hundred thirty-two".