18085826 has 16 divisors (see below), whose sum is σ = 30155328. Its totient is φ = 8065200.

The previous prime is 18085819. The next prime is 18085831. The reversal of 18085826 is 62858081.

It is a self number, because there is not a number n which added to its sum of digits gives 18085826.

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, 6590 + ... + 8921.

It is an arithmetic number, because the mean of its divisors is an integer number (1884708).

Almost surely, 2^18085826 is an apocalyptic number.

18085826 is a deficient number, since it is larger than the sum of its proper divisors (12069502).

18085826 is a wasteful number, since it uses less digits than its factorization.

18085826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15577.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 18085826 is about 4252.7433498860. The cubic root of 18085826 is about 262.4900120160.

The spelling of 18085826 in words is "eighteen million, eighty-five thousand, eight hundred twenty-six".