18285334 has 16 divisors (see below), whose sum is σ = 28969200. Its totient is φ = 8632224.

The previous prime is 18285329. The next prime is 18285347. The reversal of 18285334 is 43358281.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18285334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14164 + ... + 15400.

It is an arithmetic number, because the mean of its divisors is an integer number (1810575).

Almost surely, 2^18285334 is an apocalyptic number.

18285334 is a deficient number, since it is larger than the sum of its proper divisors (10683866).

18285334 is a wasteful number, since it uses less digits than its factorization.

18285334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647.

The product of its digits is 23040, while the sum is 34.

The square root of 18285334 is about 4276.1354047785. The cubic root of 18285334 is about 263.4516760542.

The spelling of 18285334 in words is "eighteen million, two hundred eighty-five thousand, three hundred thirty-four".