18098706 has 16 divisors (see below), whose sum is σ = 36298944. Its totient is φ = 6015984.

The previous prime is 18098683. The next prime is 18098719. The reversal of 18098706 is 60789081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806 + ... + 6281.

It is an arithmetic number, because the mean of its divisors is an integer number (2268684).

Almost surely, 2^18098706 is an apocalyptic number.

18098706 is an abundant number, since it is smaller than the sum of its proper divisors (18200238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18098706 is a wasteful number, since it uses less digits than its factorization.

18098706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8465.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 18098706 is about 4254.2573970083. The cubic root of 18098706 is about 262.5523088500.

The spelling of 18098706 in words is "eighteen million, ninety-eight thousand, seven hundred six".