18046746 has 16 divisors (see below), whose sum is σ = 40104000. Its totient is φ = 6015564.

The previous prime is 18046739. The next prime is 18046783. The reversal of 18046746 is 64764081.

It is a self number, because there is not a number n which added to its sum of digits gives 18046746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167046 + ... + 167153.

It is an arithmetic number, because the mean of its divisors is an integer number (2506500).

Almost surely, 2^18046746 is an apocalyptic number.

18046746 is an abundant number, since it is smaller than the sum of its proper divisors (22057254).

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

18046746 is a wasteful number, since it uses less digits than its factorization.

18046746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334210 (or 334204 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 18046746 is about 4248.1461839254. The cubic root of 18046746 is about 262.3008121576.

The spelling of 18046746 in words is "eighteen million, forty-six thousand, seven hundred forty-six".