18448708 has 6 divisors (see below), whose sum is σ = 32285246. Its totient is φ = 9224352.

The previous prime is 18448699. The next prime is 18448709. The reversal of 18448708 is 80784481.

It can be written as a sum of positive squares in only one way, i.e., 14884164 + 3564544 = 3858^2 + 1888^2 .

It is not an unprimeable number, because it can be changed into a prime (18448709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2306085 + ... + 2306092.

Almost surely, 2^18448708 is an apocalyptic number.

It is an amenable number.

18448708 is a deficient number, since it is larger than the sum of its proper divisors (13836538).

18448708 is a wasteful number, since it uses less digits than its factorization.

18448708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612181 (or 4612179 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 18448708 is about 4295.1959210262. The cubic root of 18448708 is about 264.2339714905.

The spelling of 18448708 in words is "eighteen million, four hundred forty-eight thousand, seven hundred eight".