18350946 has 24 divisors (see below), whose sum is σ = 41044224. Its totient is φ = 5919480.

The previous prime is 18350921. The next prime is 18350951. The reversal of 18350946 is 64905381.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18350946.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15886 + ... + 17001.

It is an arithmetic number, because the mean of its divisors is an integer number (1710176).

Almost surely, 2^18350946 is an apocalyptic number.

18350946 is an abundant number, since it is smaller than the sum of its proper divisors (22693278).

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

18350946 is a wasteful number, since it uses less digits than its factorization.

18350946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32926 (or 32923 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 18350946 is about 4283.8004155189. The cubic root of 18350946 is about 263.7664083890.

The spelling of 18350946 in words is "eighteen million, three hundred fifty thousand, nine hundred forty-six".