18877004 has 12 divisors (see below), whose sum is σ = 34978104. Its totient is φ = 8883264.

The previous prime is 18876967. The next prime is 18877007. The reversal of 18877004 is 40077881.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18877007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138734 + ... + 138869.

It is an arithmetic number, because the mean of its divisors is an integer number (2914842).

Almost surely, 2^18877004 is an apocalyptic number.

It is an amenable number.

18877004 is a deficient number, since it is larger than the sum of its proper divisors (16101100).

18877004 is a wasteful number, since it uses less digits than its factorization.

18877004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277624 (or 277622 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 18877004 is about 4344.7674276076. The cubic root of 18877004 is about 266.2631236597.

The spelling of 18877004 in words is "eighteen million, eight hundred seventy-seven thousand, four".