18886004 has 12 divisors (see below), whose sum is σ = 33093984. Its totient is φ = 9430584.

The previous prime is 18886003. The next prime is 18886051. The reversal of 18886004 is 40068881.

It is a super-2 number, since 2×18886004² = 713362294176032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18886003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887 + ... + 6209.

It is an arithmetic number, because the mean of its divisors is an integer number (2757832).

Almost surely, 2^18886004 is an apocalyptic number.

It is an amenable number.

18886004 is a deficient number, since it is larger than the sum of its proper divisors (14207980).

18886004 is a wasteful number, since it uses less digits than its factorization.

18886004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214 (or 6212 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 18886004 is about 4345.8030328122. The cubic root of 18886004 is about 266.3054324105.

The spelling of 18886004 in words is "eighteen million, eight hundred eighty-six thousand, four".