18675804 has 48 divisors (see below), whose sum is σ = 50075648. Its totient is φ = 5306688.

The previous prime is 18675791. The next prime is 18675817. The reversal of 18675804 is 40857681.

It is an interprime number because it is at equal distance from previous prime (18675791) and next prime (18675817).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18234 + ... + 19230.

Almost surely, 2^18675804 is an apocalyptic number.

18675804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18675804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25037824).

18675804 is an abundant number, since it is smaller than the sum of its proper divisors (31399844).

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

18675804 is a wasteful number, since it uses less digits than its factorization.

18675804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 18675804 is about 4321.5511104232. The cubic root of 18675804 is about 265.3137567660.

The spelling of 18675804 in words is "eighteen million, six hundred seventy-five thousand, eight hundred four".