18023676 has 36 divisors (see below), whose sum is σ = 46229736. Its totient is φ = 5461280.

The previous prime is 18023671. The next prime is 18023683. The reversal of 18023676 is 67632081.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18023671) 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 11 ways as a sum of consecutive naturals, for example, 4755 + ... + 7658.

Almost surely, 2^18023676 is an apocalyptic number.

It is an amenable number.

18023676 is an abundant number, since it is smaller than the sum of its proper divisors (28206060).

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

18023676 is a wasteful number, since it uses less digits than its factorization.

18023676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442 (or 12429 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 18023676 is about 4245.4300135558. The cubic root of 18023676 is about 262.1889940287.

The spelling of 18023676 in words is "eighteen million, twenty-three thousand, six hundred seventy-six".