8263944 has 112 divisors (see below), whose sum is σ = 25248300. Its totient is φ = 2519424.

The previous prime is 8263909. The next prime is 8263951. The reversal of 8263944 is 4493628.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8191044 + 72900 = 2862^2 + 270^2 .

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 junction number, because it is equal to n+sod(n) for n = 8263899 and 8263908.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 75762 + ... + 75870.

Almost surely, 2^8263944 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 8263944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12624150).

8263944 is an abundant number, since it is smaller than the sum of its proper divisors (16984356).

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

8263944 is a wasteful number, since it uses less digits than its factorization.

8263944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 127 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 8263944 is about 2874.7076373085. The cubic root of 8263944 is about 202.1757774610.

The spelling of 8263944 in words is "eight million, two hundred sixty-three thousand, nine hundred forty-four".