944840 has 64 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 329472.

The previous prime is 944833. The next prime is 944857. The reversal of 944840 is 48449.

It is a happy number.

944840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11921 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁹⁴⁴⁸⁴⁰ 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 944840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209600).

944840 is an abundant number, since it is smaller than the sum of its proper divisors (1474360).

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

944840 is a wasteful number, since it uses less digits than its factorization.

944840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 944840 is about 972.0288061575. The cubic root of 944840 is about 98.1264506797.

The spelling of 944840 in words is "nine hundred forty-four thousand, eight hundred forty".