18783364 has 24 divisors (see below), whose sum is σ = 34872768. Its totient is φ = 8833440.

The previous prime is 18783353. The next prime is 18783367. The reversal of 18783364 is 46338781.

It is not an unprimeable number, because it can be changed into a prime (18783367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3939 + ... + 7285.

It is an arithmetic number, because the mean of its divisors is an integer number (1453032).

Almost surely, 2^18783364 is an apocalyptic number.

It is an amenable number.

18783364 is a deficient number, since it is larger than the sum of its proper divisors (16089404).

18783364 is a wasteful number, since it uses less digits than its factorization.

18783364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435 (or 3433 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 18783364 is about 4333.9778495050. The cubic root of 18783364 is about 265.8221246594.

The spelling of 18783364 in words is "eighteen million, seven hundred eighty-three thousand, three hundred sixty-four".