18244046 has 4 divisors (see below), whose sum is σ = 27366072. Its totient is φ = 9122022.

The previous prime is 18244019. The next prime is 18244049. The reversal of 18244046 is 64044281.

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 (18244049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4561010 + ... + 4561013.

It is an arithmetic number, because the mean of its divisors is an integer number (6841518).

Almost surely, 2^18244046 is an apocalyptic number.

18244046 is a deficient number, since it is larger than the sum of its proper divisors (9122026).

18244046 is an equidigital number, since it uses as much as digits as its factorization.

18244046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9122025.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 18244046 is about 4271.3049528218. The cubic root of 18244046 is about 263.2532366914.

The spelling of 18244046 in words is "eighteen million, two hundred forty-four thousand, forty-six".