18844066 has 8 divisors (see below), whose sum is σ = 28285740. Its totient is φ = 9415488.

The previous prime is 18844057. The next prime is 18844073. The reversal of 18844066 is 66044881.

It can be written as a sum of positive squares in 2 ways, for example, as 13875625 + 4968441 = 3725^2 + 2229^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2070 + ... + 6478.

Almost surely, 2^18844066 is an apocalyptic number.

18844066 is a deficient number, since it is larger than the sum of its proper divisors (9441674).

18844066 is a wasteful number, since it uses less digits than its factorization.

18844066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6548.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 18844066 is about 4340.9752360501. The cubic root of 18844066 is about 266.1081682676.

The spelling of 18844066 in words is "eighteen million, eight hundred forty-four thousand, sixty-six".