944811 has 16 divisors (see below), whose sum is σ = 1600000. Its totient is φ = 539784.

The previous prime is 944803. The next prime is 944821. The reversal of 944811 is 118449.

It is not a de Polignac number, because 944811 - 2³ = 944803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

944811 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 944811.

It is not an unprimeable number, because it can be changed into a prime (944821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2311 + ... + 2688.

It is an arithmetic number, because the mean of its divisors is an integer number (100000).

944811 is a Friedman number, since it can be written as 9*(18^4+4-1), using all its digits and the basic arithmetic operations.

2⁹⁴⁴⁸¹¹ is an apocalyptic number.

944811 is a deficient number, since it is larger than the sum of its proper divisors (655189).

944811 is a wasteful number, since it uses less digits than its factorization.

944811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015 (or 5009 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 944811 is about 972.0138887897. The cubic root of 944811 is about 98.1254467368.

Subtracting from 944811 its sum of digits (27), we obtain a square (944784 = 972²).

The spelling of 944811 in words is "nine hundred forty-four thousand, eight hundred eleven".