18671852 has 6 divisors (see below), whose sum is σ = 32675748. Its totient is φ = 9335924.

The previous prime is 18671833. The next prime is 18671879. The reversal of 18671852 is 25817681.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2333978 + ... + 2333985.

It is an arithmetic number, because the mean of its divisors is an integer number (5445958).

Almost surely, 2^18671852 is an apocalyptic number.

It is an amenable number.

18671852 is a deficient number, since it is larger than the sum of its proper divisors (14003896).

18671852 is a wasteful number, since it uses less digits than its factorization.

18671852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667967 (or 4667965 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 18671852 is about 4321.0938429986. The cubic root of 18671852 is about 265.2950410357.

The spelling of 18671852 in words is "eighteen million, six hundred seventy-one thousand, eight hundred fifty-two".