18913364 has 24 divisors (see below), whose sum is σ = 34728960. Its totient is φ = 9002016.

The previous prime is 18913289. The next prime is 18913369. The reversal of 18913364 is 46331981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18913369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5597 + ... + 8315.

It is an arithmetic number, because the mean of its divisors is an integer number (1447040).

Almost surely, 2^18913364 is an apocalyptic number.

It is an amenable number.

18913364 is a deficient number, since it is larger than the sum of its proper divisors (15815596).

18913364 is a wasteful number, since it uses less digits than its factorization.

18913364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807 (or 2805 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 18913364 is about 4348.9497582750. The cubic root of 18913364 is about 266.4339685303.

The spelling of 18913364 in words is "eighteen million, nine hundred thirteen thousand, three hundred sixty-four".