18097832 has 8 divisors (see below), whose sum is σ = 33933450. Its totient is φ = 9048912.

The previous prime is 18097817. The next prime is 18097889. The reversal of 18097832 is 23879081.

It can be written as a sum of positive squares in only one way, i.e., 10666756 + 7431076 = 3266^2 + 2726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131107 + ... + 1131122.

Almost surely, 2^18097832 is an apocalyptic number.

It is an amenable number.

18097832 is a deficient number, since it is larger than the sum of its proper divisors (15835618).

18097832 is a wasteful number, since it uses less digits than its factorization.

18097832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262235 (or 2262231 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 18097832 is about 4254.1546751382. The cubic root of 18097832 is about 262.5480824998.

The spelling of 18097832 in words is "eighteen million, ninety-seven thousand, eight hundred thirty-two".