18424107 has 48 divisors (see below), whose sum is σ = 31056480. Its totient is φ = 10423296.

The previous prime is 18424099. The next prime is 18424111. The reversal of 18424107 is 70142481.

It is not a de Polignac number, because 18424107 - 2³ = 18424099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18424177) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117273 + ... + 117429.

It is an arithmetic number, because the mean of its divisors is an integer number (647010).

Almost surely, 2^18424107 is an apocalyptic number.

18424107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18424107 is a deficient number, since it is larger than the sum of its proper divisors (12632373).

18424107 is a wasteful number, since it uses less digits than its factorization.

18424107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 18424107 is about 4292.3311847992. The cubic root of 18424107 is about 264.1164689266.

Adding to 18424107 its reverse (70142481), we get a palindrome (88566588).

The spelling of 18424107 in words is "eighteen million, four hundred twenty-four thousand, one hundred seven".