18948932 has 6 divisors (see below), whose sum is σ = 33160638. Its totient is φ = 9474464.

The previous prime is 18948907. The next prime is 18948949. The reversal of 18948932 is 23984981.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18113536 + 835396 = 4256^2 + 914^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2368613 + ... + 2368620.

It is an arithmetic number, because the mean of its divisors is an integer number (5526773).

Almost surely, 2^18948932 is an apocalyptic number.

It is an amenable number.

18948932 is a deficient number, since it is larger than the sum of its proper divisors (14211706).

18948932 is a wasteful number, since it uses less digits than its factorization.

18948932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737237 (or 4737235 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 18948932 is about 4353.0371006919. The cubic root of 18948932 is about 266.6008802997.

The spelling of 18948932 in words is "eighteen million, nine hundred forty-eight thousand, nine hundred thirty-two".