18460942 has 16 divisors (see below), whose sum is σ = 28422720. Its totient is φ = 8988768.

The previous prime is 18460933. The next prime is 18460961. The reversal of 18460942 is 24906481.

It is a junction number, because it is equal to n+sod(n) for n = 18460898 and 18460907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25684 + ... + 26392.

It is an arithmetic number, because the mean of its divisors is an integer number (1776420).

Almost surely, 2^18460942 is an apocalyptic number.

18460942 is a deficient number, since it is larger than the sum of its proper divisors (9961778).

18460942 is a wasteful number, since it uses less digits than its factorization.

18460942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 18460942 is about 4296.6198342418. The cubic root of 18460942 is about 264.2923662592.

The spelling of 18460942 in words is "eighteen million, four hundred sixty thousand, nine hundred forty-two".