18466004 has 12 divisors (see below), whose sum is σ = 32798304. Its totient is φ = 9095064.

The previous prime is 18466003. The next prime is 18466009. The reversal of 18466004 is 40066481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18466001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34184 + ... + 34719.

It is an arithmetic number, because the mean of its divisors is an integer number (2733192).

Almost surely, 2^18466004 is an apocalyptic number.

It is an amenable number.

18466004 is a deficient number, since it is larger than the sum of its proper divisors (14332300).

18466004 is a wasteful number, since it uses less digits than its factorization.

18466004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68974 (or 68972 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 18466004 is about 4297.2088615752. The cubic root of 18466004 is about 264.3165204203.

The spelling of 18466004 in words is "eighteen million, four hundred sixty-six thousand, four".