18126946 has 16 divisors (see below), whose sum is σ = 27600768. Its totient is φ = 8928000.

The previous prime is 18126937. The next prime is 18126949. The reversal of 18126946 is 64962181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18126949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58131 + ... + 58441.

It is an arithmetic number, because the mean of its divisors is an integer number (1725048).

Almost surely, 2^18126946 is an apocalyptic number.

18126946 is a deficient number, since it is larger than the sum of its proper divisors (9473822).

18126946 is a wasteful number, since it uses less digits than its factorization.

18126946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its digits is 20736, while the sum is 37.

The square root of 18126946 is about 4257.5751314569. The cubic root of 18126946 is about 262.6887941912.

The spelling of 18126946 in words is "eighteen million, one hundred twenty-six thousand, nine hundred forty-six".