18484056 has 24 divisors (see below), whose sum is σ = 50061180. Its totient is φ = 6161328.

The previous prime is 18484031. The next prime is 18484057. The reversal of 18484056 is 65048481.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×18484056² = 683320652422272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 18484056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18484057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128290 + ... + 128433.

Almost surely, 2^18484056 is an apocalyptic number.

It is an amenable number.

18484056 is an abundant number, since it is smaller than the sum of its proper divisors (31577124).

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

18484056 is a wasteful number, since it uses less digits than its factorization.

18484056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256735 (or 256728 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 18484056 is about 4299.3087816532. The cubic root of 18484056 is about 264.4026225686.

The spelling of 18484056 in words is "eighteen million, four hundred eighty-four thousand, fifty-six".