18648104 has 16 divisors (see below), whose sum is σ = 35058420. Its totient is φ = 9299200.

The previous prime is 18648089. The next prime is 18648107. The reversal of 18648104 is 40184681.

It can be written as a sum of positive squares in 2 ways, for example, as 15225604 + 3422500 = 3902^2 + 1850^2 .

It is not an unprimeable number, because it can be changed into a prime (18648107) 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, 302 + ... + 6114.

Almost surely, 2^18648104 is an apocalyptic number.

It is an amenable number.

18648104 is a deficient number, since it is larger than the sum of its proper divisors (16410316).

18648104 is a wasteful number, since it uses less digits than its factorization.

18648104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6220 (or 6216 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 18648104 is about 4318.3450533740. The cubic root of 18648104 is about 265.1825205150.

The spelling of 18648104 in words is "eighteen million, six hundred forty-eight thousand, one hundred four".