1806626 has 8 divisors (see below), whose sum is σ = 2717184. Its totient is φ = 900900.

The previous prime is 1806617. The next prime is 1806631. The reversal of 1806626 is 6266081.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50 + ... + 1901.

It is an arithmetic number, because the mean of its divisors is an integer number (339648).

2^1806626 is an apocalyptic number.

1806626 is a deficient number, since it is larger than the sum of its proper divisors (910558).

1806626 is a wasteful number, since it uses less digits than its factorization.

1806626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1806626 is about 1344.1078825749. The cubic root of 1806626 is about 121.7931188777.

The spelling of 1806626 in words is "one million, eight hundred six thousand, six hundred twenty-six".