18944126 has 4 divisors (see below), whose sum is σ = 28416192. Its totient is φ = 9472062.

The previous prime is 18944119. The next prime is 18944129. The reversal of 18944126 is 62144981.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18944129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4736030 + ... + 4736033.

It is an arithmetic number, because the mean of its divisors is an integer number (7104048).

Almost surely, 2^18944126 is an apocalyptic number.

18944126 is a deficient number, since it is larger than the sum of its proper divisors (9472066).

18944126 is an equidigital number, since it uses as much as digits as its factorization.

18944126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472065.

The product of its digits is 13824, while the sum is 35.

The square root of 18944126 is about 4352.4850373091. The cubic root of 18944126 is about 266.5783391494.

The spelling of 18944126 in words is "eighteen million, nine hundred forty-four thousand, one hundred twenty-six".