18344348 has 24 divisors (see below), whose sum is σ = 36865920. Its totient is φ = 7899120.

The previous prime is 18344321. The next prime is 18344357. The reversal of 18344348 is 84344381.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 10136 + ... + 11807.

It is an arithmetic number, because the mean of its divisors is an integer number (1536080).

Almost surely, 2^18344348 is an apocalyptic number.

It is an amenable number.

18344348 is an abundant number, since it is smaller than the sum of its proper divisors (18521572).

18344348 is a wasteful number, since it uses less digits than its factorization.

18344348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21977 (or 21975 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 18344348 is about 4283.0302357093. The cubic root of 18344348 is about 263.7347925914.

The spelling of 18344348 in words is "eighteen million, three hundred forty-four thousand, three hundred forty-eight".