1806746 has 8 divisors (see below), whose sum is σ = 2722944. Its totient is φ = 899100.

The previous prime is 1806733. The next prime is 1806769. The reversal of 1806746 is 6476081.

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

It is a super-2 number, since 2×1806746² = 6528662217032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1580 + ... + 2471.

It is an arithmetic number, because the mean of its divisors is an integer number (340368).

2^1806746 is an apocalyptic number.

1806746 is a deficient number, since it is larger than the sum of its proper divisors (916198).

1806746 is a wasteful number, since it uses less digits than its factorization.

1806746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1806746 is about 1344.1525211076. The cubic root of 1806746 is about 121.7958154053.

It can be divided in two parts, 1806 and 746, that added together give a palindrome (2552).

The spelling of 1806746 in words is "one million, eight hundred six thousand, seven hundred forty-six".