18097648 has 10 divisors (see below), whose sum is σ = 35064224. Its totient is φ = 9048816.

The previous prime is 18097637. The next prime is 18097669. The reversal of 18097648 is 84679081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565536 + ... + 565567.

Almost surely, 2^18097648 is an apocalyptic number.

It is an amenable number.

18097648 is a deficient number, since it is larger than the sum of its proper divisors (16966576).

18097648 is a wasteful number, since it uses less digits than its factorization.

18097648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131111 (or 1131105 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 18097648 is about 4254.1330491652. The cubic root of 18097648 is about 262.5471927245.

The spelling of 18097648 in words is "eighteen million, ninety-seven thousand, six hundred forty-eight".