18214826 has 16 divisors (see below), whose sum is σ = 31428096. Its totient is φ = 7755696.

The previous prime is 18214811. The next prime is 18214849. The reversal of 18214826 is 62841281.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18214792 and 18214801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946 + ... + 6341.

It is an arithmetic number, because the mean of its divisors is an integer number (1964256).

Almost surely, 2^18214826 is an apocalyptic number.

18214826 is a deficient number, since it is larger than the sum of its proper divisors (13213270).

18214826 is a wasteful number, since it uses less digits than its factorization.

18214826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453.

The product of its digits is 6144, while the sum is 32.

The square root of 18214826 is about 4267.8830818100. The cubic root of 18214826 is about 263.1126178484.

The spelling of 18214826 in words is "eighteen million, two hundred fourteen thousand, eight hundred twenty-six".