944497728 has 84 divisors (see below), whose sum is σ = 2727220860. Its totient is φ = 312508416.

The previous prime is 944497721. The next prime is 944497769. The reversal of 944497728 is 827794449.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 288728064 + 655769664 = 16992^2 + 25608^2 .

It is not an unprimeable number, because it can be changed into a prime (944497721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72928 + ... + 84896.

It is an arithmetic number, because the mean of its divisors is an integer number (32466915).

Almost surely, 2^944497728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 944497728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1363610430).

944497728 is an abundant number, since it is smaller than the sum of its proper divisors (1782723132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

944497728 is a wasteful number, since it uses less digits than its factorization.

944497728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12124 (or 12111 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 944497728 is about 30732.6817573735. The cubic root of 944497728 is about 981.1460035132.

The spelling of 944497728 in words is "nine hundred forty-four million, four hundred ninety-seven thousand, seven hundred twenty-eight".