18340024 has 16 divisors (see below), whose sum is σ = 34468200. Its totient is φ = 9148512.

The previous prime is 18340019. The next prime is 18340033. The reversal of 18340024 is 42004381.

It is a junction number, because it is equal to n+sod(n) for n = 18339977 and 18340004.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1282 + ... + 6190.

Almost surely, 2^18340024 is an apocalyptic number.

It is an amenable number.

18340024 is a deficient number, since it is larger than the sum of its proper divisors (16128176).

18340024 is a wasteful number, since it uses less digits than its factorization.

18340024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382 (or 5378 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 18340024 is about 4282.5254231586. The cubic root of 18340024 is about 263.7140690629.

The spelling of 18340024 in words is "eighteen million, three hundred forty thousand, twenty-four".