18869324 has 12 divisors (see below), whose sum is σ = 33112464. Its totient is φ = 9408624.

The previous prime is 18869311. The next prime is 18869329. The reversal of 18869324 is 42396881.

It is not an unprimeable number, because it can be changed into a prime (18869329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4832 + ... + 7815.

It is an arithmetic number, because the mean of its divisors is an integer number (2759372).

Almost surely, 2^18869324 is an apocalyptic number.

It is an amenable number.

18869324 is a deficient number, since it is larger than the sum of its proper divisors (14243140).

18869324 is a wasteful number, since it uses less digits than its factorization.

18869324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13024 (or 13022 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 18869324 is about 4343.8835159336. The cubic root of 18869324 is about 266.2270095572.

The spelling of 18869324 in words is "eighteen million, eight hundred sixty-nine thousand, three hundred twenty-four".