944271216 has 160 divisors (see below), whose sum is σ = 3149004800. Its totient is φ = 265317120.

The previous prime is 944271203. The next prime is 944271217. The reversal of 944271216 is 612172449.

It is a happy number.

It is a super-2 number, since 2×944271216² = 1783296258732237312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944271217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181905 + ... + 187023.

It is an arithmetic number, because the mean of its divisors is an integer number (19681280).

Almost surely, 2^944271216 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 944271216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574502400).

944271216 is an abundant number, since it is smaller than the sum of its proper divisors (2204733584).

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

944271216 is a wasteful number, since it uses less digits than its factorization.

944271216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204 (or 5192 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 944271216 is about 30728.9963389630. The cubic root of 944271216 is about 981.0675635461.

The spelling of 944271216 in words is "nine hundred forty-four million, two hundred seventy-one thousand, two hundred sixteen".