944396428 has 12 divisors (see below), whose sum is σ = 1658336400. Its totient is φ = 470586032.

The previous prime is 944396417. The next prime is 944396437. The reversal of 944396428 is 824693449.

It is a super-2 number, since 2×944396428² = 1783769226438318368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401728 + ... + 404071.

It is an arithmetic number, because the mean of its divisors is an integer number (138194700).

Almost surely, 2^944396428 is an apocalyptic number.

It is an amenable number.

944396428 is a deficient number, since it is larger than the sum of its proper divisors (713939972).

944396428 is a wasteful number, since it uses less digits than its factorization.

944396428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806096 (or 806094 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 49.

The square root of 944396428 is about 30731.0336305175. The cubic root of 944396428 is about 981.1109253827.

The spelling of 944396428 in words is "nine hundred forty-four million, three hundred ninety-six thousand, four hundred twenty-eight".