18434085 has 32 divisors (see below), whose sum is σ = 31518720. Its totient is φ = 9172800.

The previous prime is 18434083. The next prime is 18434093. The reversal of 18434085 is 58043481.

It is not a de Polignac number, because 18434085 - 2¹ = 18434083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18434081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19780 + ... + 20690.

It is an arithmetic number, because the mean of its divisors is an integer number (984960).

Almost surely, 2^18434085 is an apocalyptic number.

18434085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18434085 is a deficient number, since it is larger than the sum of its proper divisors (13084635).

18434085 is a wasteful number, since it uses less digits than its factorization.

18434085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 18434085 is about 4293.4933329400. The cubic root of 18434085 is about 264.1641397766.

The spelling of 18434085 in words is "eighteen million, four hundred thirty-four thousand, eighty-five".