18460959 has 16 divisors (see below), whose sum is σ = 26924160. Its totient is φ = 11158560.

The previous prime is 18460933. The next prime is 18460961. The reversal of 18460959 is 95906481.

It is not a de Polignac number, because 18460959 - 2²³ = 10072351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18460959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18460909) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24009 + ... + 24765.

It is an arithmetic number, because the mean of its divisors is an integer number (1682760).

Almost surely, 2^18460959 is an apocalyptic number.

18460959 is a deficient number, since it is larger than the sum of its proper divisors (8463201).

18460959 is a wasteful number, since it uses less digits than its factorization.

18460959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 18460959 is about 4296.6218125406. The cubic root of 18460959 is about 264.2924473849.

The spelling of 18460959 in words is "eighteen million, four hundred sixty thousand, nine hundred fifty-nine".