18834284 has 12 divisors (see below), whose sum is σ = 37668624. Its totient is φ = 8071824.

The previous prime is 18834223. The next prime is 18834331. The reversal of 18834284 is 48243881.

18834284 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336299 + ... + 336354.

It is an arithmetic number, because the mean of its divisors is an integer number (3139052).

Almost surely, 2^18834284 is an apocalyptic number.

18834284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18834284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18834284 is a wasteful number, since it uses less digits than its factorization.

18834284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672664 (or 672662 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 18834284 is about 4339.8483844485. The cubic root of 18834284 is about 266.0621145010.

The spelling of 18834284 in words is "eighteen million, eight hundred thirty-four thousand, two hundred eighty-four".