994731444 has 72 divisors (see below), whose sum is σ = 2878581888. Its totient is φ = 283723200.

The previous prime is 994731431. The next prime is 994731469. The reversal of 994731444 is 444137499.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 994731444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159994 + ... + 166094.

It is an arithmetic number, because the mean of its divisors is an integer number (39980304).

Almost surely, 2^994731444 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 994731444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439290944).

994731444 is an abundant number, since it is smaller than the sum of its proper divisors (1883850444).

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

994731444 is a wasteful number, since it uses less digits than its factorization.

994731444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765 (or 6760 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 994731444 is about 31539.3634051165. The cubic root of 994731444 is about 998.2407214206.

The spelling of 994731444 in words is "nine hundred ninety-four million, seven hundred thirty-one thousand, four hundred forty-four".