18424126 has 8 divisors (see below), whose sum is σ = 31584240. Its totient is φ = 7896048.

The previous prime is 18424121. The next prime is 18424139. The reversal of 18424126 is 62142481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18424094 and 18424103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18424121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657991 + ... + 658018.

It is an arithmetic number, because the mean of its divisors is an integer number (3948030).

Almost surely, 2^18424126 is an apocalyptic number.

18424126 is a deficient number, since it is larger than the sum of its proper divisors (13160114).

18424126 is a wasteful number, since it uses less digits than its factorization.

18424126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316018.

The product of its digits is 3072, while the sum is 28.

The square root of 18424126 is about 4292.3333980482. Note that the first 4 decimals coincide. The cubic root of 18424126 is about 264.1165597173.

It can be divided in two parts, 184 and 24126, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 18424126 in words is "eighteen million, four hundred twenty-four thousand, one hundred twenty-six".