18958282 has 16 divisors (see below), whose sum is σ = 33379200. Its totient is φ = 7905168.

The previous prime is 18958273. The next prime is 18958297. The reversal of 18958282 is 28285981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17782 + ... + 18817.

It is an arithmetic number, because the mean of its divisors is an integer number (2086200).

Almost surely, 2^18958282 is an apocalyptic number.

18958282 is a deficient number, since it is larger than the sum of its proper divisors (14420918).

18958282 is a wasteful number, since it uses less digits than its factorization.

18958282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36645.

The product of its digits is 92160, while the sum is 43.

The square root of 18958282 is about 4354.1109310627. The cubic root of 18958282 is about 266.6447228471.

The spelling of 18958282 in words is "eighteen million, nine hundred fifty-eight thousand, two hundred eighty-two".