18860196 has 12 divisors (see below), whose sum is σ = 44007152. Its totient is φ = 6286728.

The previous prime is 18860167. The next prime is 18860213. The reversal of 18860196 is 69106881.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785830 + ... + 785853.

Almost surely, 2^18860196 is an apocalyptic number.

It is an amenable number.

18860196 is an abundant number, since it is smaller than the sum of its proper divisors (25146956).

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

18860196 is a wasteful number, since it uses less digits than its factorization.

18860196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571690 (or 1571688 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 18860196 is about 4342.8327160967. The cubic root of 18860196 is about 266.1840736947.

The spelling of 18860196 in words is "eighteen million, eight hundred sixty thousand, one hundred ninety-six".