816746 has 16 divisors (see below), whose sum is σ = 1411776. Its totient is φ = 347136.

The previous prime is 816743. The next prime is 816763. The reversal of 816746 is 647618.

It is not an unprimeable number, because it can be changed into a prime (816743) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3050 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (88236).

2⁸¹⁶⁷⁴⁶ is an apocalyptic number.

816746 is a deficient number, since it is larger than the sum of its proper divisors (595030).

816746 is a wasteful number, since it uses less digits than its factorization.

816746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

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

The square root of 816746 is about 903.7400068604. The cubic root of 816746 is about 93.4750426683.

The spelling of 816746 in words is "eight hundred sixteen thousand, seven hundred forty-six".