18444126 has 8 divisors (see below), whose sum is σ = 36888264. Its totient is φ = 6148040.

The previous prime is 18444121. The next prime is 18444157. The reversal of 18444126 is 62144481.

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

18444126 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18444093 and 18444102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18444121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537005 + ... + 1537016.

It is an arithmetic number, because the mean of its divisors is an integer number (4611033).

Almost surely, 2^18444126 is an apocalyptic number.

18444126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18444126 is a wasteful number, since it uses less digits than its factorization.

18444126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074026.

The product of its digits is 6144, while the sum is 30.

The square root of 18444126 is about 4294.6625012916. The cubic root of 18444126 is about 264.2120942529.

The spelling of 18444126 in words is "eighteen million, four hundred forty-four thousand, one hundred twenty-six".