18194048 has 32 divisors (see below), whose sum is σ = 36442560. Its totient is φ = 9047808.

The previous prime is 18194041. The next prime is 18194053. The reversal of 18194048 is 84049181.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 18193999 and 18194017.

It is not an unprimeable number, because it can be changed into a prime (18194041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39065 + ... + 39527.

It is an arithmetic number, because the mean of its divisors is an integer number (1138830).

Almost surely, 2^18194048 is an apocalyptic number.

It is an amenable number.

18194048 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

18194048 is an equidigital number, since it uses as much as digits as its factorization.

18194048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 18194048 is about 4265.4481593380. The cubic root of 18194048 is about 263.0125339196.

The spelling of 18194048 in words is "eighteen million, one hundred ninety-four thousand, forty-eight".