18768652 has 24 divisors (see below), whose sum is σ = 38455200. Its totient is φ = 7847040.

The previous prime is 18768641. The next prime is 18768653. The reversal of 18768652 is 25686781.

It is a junction number, because it is equal to n+sod(n) for n = 18768599 and 18768608.

It is not an unprimeable number, because it can be changed into a prime (18768653) 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, 7027 + ... + 9322.

It is an arithmetic number, because the mean of its divisors is an integer number (1602300).

Almost surely, 2^18768652 is an apocalyptic number.

It is an amenable number.

18768652 is an abundant number, since it is smaller than the sum of its proper divisors (19686548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18768652 is a wasteful number, since it uses less digits than its factorization.

18768652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16401 (or 16399 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 18768652 is about 4332.2802310100. The cubic root of 18768652 is about 265.7527051352.

The spelling of 18768652 in words is "eighteen million, seven hundred sixty-eight thousand, six hundred fifty-two".