18806026 has 8 divisors (see below), whose sum is σ = 29119104. Its totient is φ = 9099660.

The previous prime is 18805951. The next prime is 18806077. The reversal of 18806026 is 62060881.

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

It is a super-2 number, since 2×18806026² = 707333227825352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151600 + ... + 151723.

It is an arithmetic number, because the mean of its divisors is an integer number (3639888).

Almost surely, 2^18806026 is an apocalyptic number.

18806026 is a deficient number, since it is larger than the sum of its proper divisors (10313078).

18806026 is a wasteful number, since it uses less digits than its factorization.

18806026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303356.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 18806026 is about 4336.5915186930. The cubic root of 18806026 is about 265.9289858860.

The spelling of 18806026 in words is "eighteen million, eight hundred six thousand, twenty-six".