18245764 has 12 divisors (see below), whose sum is σ = 32068764. Its totient is φ = 9083264.

The previous prime is 18245753. The next prime is 18245767. The reversal of 18245764 is 46754281.

It can be written as a sum of positive squares in 2 ways, for example, as 11276164 + 6969600 = 3358^2 + 2640^2 .

It is not an unprimeable number, because it can be changed into a prime (18245767) 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, 8857 + ... + 10720.

It is an arithmetic number, because the mean of its divisors is an integer number (2672397).

Almost surely, 2^18245764 is an apocalyptic number.

It is an amenable number.

18245764 is a deficient number, since it is larger than the sum of its proper divisors (13823000).

18245764 is a wasteful number, since it uses less digits than its factorization.

18245764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19814 (or 19812 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 18245764 is about 4271.5060575867. The cubic root of 18245764 is about 263.2614997500.

The spelling of 18245764 in words is "eighteen million, two hundred forty-five thousand, seven hundred sixty-four".