18046434 has 16 divisors (see below), whose sum is σ = 41249088. Its totient is φ = 5156112.

The previous prime is 18046411. The next prime is 18046477. The reversal of 18046434 is 43464081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214797 + ... + 214880.

It is an arithmetic number, because the mean of its divisors is an integer number (2578068).

Almost surely, 2^18046434 is an apocalyptic number.

18046434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18046434 is an abundant number, since it is smaller than the sum of its proper divisors (23202654).

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

18046434 is a wasteful number, since it uses less digits than its factorization.

18046434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429689.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 18046434 is about 4248.1094618665. The cubic root of 18046434 is about 262.2993005587.

The spelling of 18046434 in words is "eighteen million, forty-six thousand, four hundred thirty-four".