18098932 has 6 divisors (see below), whose sum is σ = 31673138. Its totient is φ = 9049464.

The previous prime is 18098923. The next prime is 18099007. The reversal of 18098932 is 23989081.

It can be written as a sum of positive squares in only one way, i.e., 17943696 + 155236 = 4236^2 + 394^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2262363 + ... + 2262370.

Almost surely, 2^18098932 is an apocalyptic number.

It is an amenable number.

18098932 is a deficient number, since it is larger than the sum of its proper divisors (13574206).

18098932 is a wasteful number, since it uses less digits than its factorization.

18098932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524737 (or 4524735 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 18098932 is about 4254.2839585528. The cubic root of 18098932 is about 262.5534016827.

The spelling of 18098932 in words is "eighteen million, ninety-eight thousand, nine hundred thirty-two".