944549 has 4 divisors (see below), whose sum is σ = 946764. Its totient is φ = 942336.

The previous prime is 944543. The next prime is 944551. The reversal of 944549 is 945449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 945449 = 199 ⋅4751.

It can be written as a sum of positive squares in 2 ways, for example, as 515524 + 429025 = 718^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 944549 - 2⁴ = 944533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944543) 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 3 ways as a sum of consecutive naturals, for example, 242 + ... + 1395.

It is an arithmetic number, because the mean of its divisors is an integer number (236691).

2⁹⁴⁴⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

944549 is a deficient number, since it is larger than the sum of its proper divisors (2215).

944549 is a wasteful number, since it uses less digits than its factorization.

944549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214.

The product of its digits is 25920, while the sum is 35.

The square root of 944549 is about 971.8791077084. The cubic root of 944549 is about 98.1163757008.

Subtracting 944549 from its reverse (945449), we obtain a square (900 = 30²).

The spelling of 944549 in words is "nine hundred forty-four thousand, five hundred forty-nine".