18825084 has 18 divisors (see below), whose sum is σ = 47585720. Its totient is φ = 6275016.

The previous prime is 18825073. The next prime is 18825101. The reversal of 18825084 is 48052881.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 522919 = 18825084 / (1 + 8 + 8 + 2 + 5 + 0 + 8 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 261424 + ... + 261495.

Almost surely, 2^18825084 is an apocalyptic number.

It is an amenable number.

18825084 is an abundant number, since it is smaller than the sum of its proper divisors (28760636).

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

18825084 is a wasteful number, since it uses less digits than its factorization.

18825084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522929 (or 522924 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 18825084 is about 4338.7883101161. The cubic root of 18825084 is about 266.0187862436.

The spelling of 18825084 in words is "eighteen million, eight hundred twenty-five thousand, eighty-four".