18194968 has 32 divisors (see below), whose sum is σ = 37440000. Its totient is φ = 8220960.

The previous prime is 18194963. The next prime is 18194993. The reversal of 18194968 is 86949181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18194963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16993 + ... + 18031.

It is an arithmetic number, because the mean of its divisors is an integer number (1170000).

Almost surely, 2^18194968 is an apocalyptic number.

It is an amenable number.

18194968 is an abundant number, since it is smaller than the sum of its proper divisors (19245032).

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

18194968 is a wasteful number, since it uses less digits than its factorization.

18194968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255 (or 1251 counting only the distinct ones).

The product of its digits is 124416, while the sum is 46.

The square root of 18194968 is about 4265.5560012735. The cubic root of 18194968 is about 263.0169670077.

The spelling of 18194968 in words is "eighteen million, one hundred ninety-four thousand, nine hundred sixty-eight".