18468546 has 16 divisors (see below), whose sum is σ = 36998208. Its totient is φ = 6146000.

The previous prime is 18468503. The next prime is 18468547. The reversal of 18468546 is 64586481.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18468498 and 18468507.

It is not an unprimeable number, because it can be changed into a prime (18468547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2011 + ... + 6401.

It is an arithmetic number, because the mean of its divisors is an integer number (2312388).

Almost surely, 2^18468546 is an apocalyptic number.

18468546 is an abundant number, since it is smaller than the sum of its proper divisors (18529662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18468546 is a wasteful number, since it uses less digits than its factorization.

18468546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097.

The product of its digits is 184320, while the sum is 42.

The square root of 18468546 is about 4297.5046247794. The cubic root of 18468546 is about 264.3286483242.

The spelling of 18468546 in words is "eighteen million, four hundred sixty-eight thousand, five hundred forty-six".