18304950 has 24 divisors (see below), whose sum is σ = 45396648. Its totient is φ = 4881280.

The previous prime is 18304939. The next prime is 18304963. The reversal of 18304950 is 5940381.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

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, 60867 + ... + 61166.

It is an arithmetic number, because the mean of its divisors is an integer number (1891527).

Almost surely, 2^18304950 is an apocalyptic number.

18304950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18304950 is an abundant number, since it is smaller than the sum of its proper divisors (27091698).

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

18304950 is a wasteful number, since it uses less digits than its factorization.

18304950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122048 (or 122043 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 18304950 is about 4278.4284497932. The cubic root of 18304950 is about 263.5458502741.

The spelling of 18304950 in words is "eighteen million, three hundred four thousand, nine hundred fifty".