18464342 has 16 divisors (see below), whose sum is σ = 29901312. Its totient is φ = 8500800.

The previous prime is 18464339. The next prime is 18464357. The reversal of 18464342 is 24346481.

It is a junction number, because it is equal to n+sod(n) for n = 18464299 and 18464308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15467 + ... + 16617.

It is an arithmetic number, because the mean of its divisors is an integer number (1868832).

Almost surely, 2^18464342 is an apocalyptic number.

18464342 is a deficient number, since it is larger than the sum of its proper divisors (11436970).

18464342 is a wasteful number, since it uses less digits than its factorization.

18464342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its digits is 18432, while the sum is 32.

The square root of 18464342 is about 4297.0154758856. The cubic root of 18464342 is about 264.3085904022.

The spelling of 18464342 in words is "eighteen million, four hundred sixty-four thousand, three hundred forty-two".