18119204 has 12 divisors (see below), whose sum is σ = 31758300. Its totient is φ = 9045408.

The previous prime is 18119201. The next prime is 18119207. The reversal of 18119204 is 40291181.

It is an interprime number because it is at equal distance from previous prime (18119201) and next prime (18119207).

It can be written as a sum of positive squares in 2 ways, for example, as 813604 + 17305600 = 902^2 + 4160^2 .

It is not an unprimeable number, because it can be changed into a prime (18119201) 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, 359 + ... + 6030.

It is an arithmetic number, because the mean of its divisors is an integer number (2646525).

Almost surely, 2^18119204 is an apocalyptic number.

It is an amenable number.

18119204 is a deficient number, since it is larger than the sum of its proper divisors (13639096).

18119204 is a wasteful number, since it uses less digits than its factorization.

18119204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7102 (or 7100 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 18119204 is about 4256.6658313755. The cubic root of 18119204 is about 262.6513908277.

The spelling of 18119204 in words is "eighteen million, one hundred nineteen thousand, two hundred four".