18324957 has 16 divisors (see below), whose sum is σ = 28147712. Its totient is φ = 10387440.

The previous prime is 18324947. The next prime is 18324959. The reversal of 18324957 is 75942381.

It is not a de Polignac number, because 18324957 - 2⁴ = 18324941 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18324959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769 + ... + 6102.

It is an arithmetic number, because the mean of its divisors is an integer number (1759232).

Almost surely, 2^18324957 is an apocalyptic number.

It is an amenable number.

18324957 is a deficient number, since it is larger than the sum of its proper divisors (9822755).

18324957 is a wasteful number, since it uses less digits than its factorization.

18324957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008.

The product of its digits is 60480, while the sum is 39.

The square root of 18324957 is about 4280.7659361381. The cubic root of 18324957 is about 263.6418323623.

The spelling of 18324957 in words is "eighteen million, three hundred twenty-four thousand, nine hundred fifty-seven".