944813 has 4 divisors (see below), whose sum is σ = 994560. Its totient is φ = 895068.

The previous prime is 944803. The next prime is 944821. The reversal of 944813 is 318449.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 944813 - 2¹⁴ = 928429 is a prime.

It is a Duffinian 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 944813.

It is not an unprimeable number, because it can be changed into a prime (944803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24845 + ... + 24882.

It is an arithmetic number, because the mean of its divisors is an integer number (248640).

2⁹⁴⁴⁸¹³ is an apocalyptic number.

It is an amenable number.

944813 is a deficient number, since it is larger than the sum of its proper divisors (49747).

944813 is a wasteful number, since it uses less digits than its factorization.

944813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49746.

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

The square root of 944813 is about 972.0149175810. The cubic root of 944813 is about 98.1255159749.

Subtracting from 944813 its sum of digits (29), we obtain a square (944784 = 972²).

The spelling of 944813 in words is "nine hundred forty-four thousand, eight hundred thirteen".