18084087 has 24 divisors (see below), whose sum is σ = 31167600. Its totient is φ = 10333008.

The previous prime is 18084061. The next prime is 18084089. The reversal of 18084087 is 78048081.

It is not a de Polignac number, because 18084087 - 2⁷ = 18083959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18084089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5512 + ... + 8157.

It is an arithmetic number, because the mean of its divisors is an integer number (1298650).

Almost surely, 2^18084087 is an apocalyptic number.

18084087 is a deficient number, since it is larger than the sum of its proper divisors (13083513).

18084087 is a wasteful number, since it uses less digits than its factorization.

18084087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13692 (or 13679 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 18084087 is about 4252.5388887111. The cubic root of 18084087 is about 262.4815987101.

The spelling of 18084087 in words is "eighteen million, eighty-four thousand, eighty-seven".