8263444 has 12 divisors (see below), whose sum is σ = 16526944. Its totient is φ = 3541464.

The previous prime is 8263441. The next prime is 8263471. The reversal of 8263444 is 4443628.

8263444 is an admirable number.

It is a super-2 number, since 2×8263444² = 136569013482272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8263441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147534 + ... + 147589.

Almost surely, 2^8263444 is an apocalyptic number.

It is an amenable number.

8263444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8263444 is a wasteful number, since it uses less digits than its factorization.

8263444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295134 (or 295132 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 8263444 is about 2874.6206706277. The cubic root of 8263444 is about 202.1716999113.

The spelling of 8263444 in words is "eight million, two hundred sixty-three thousand, four hundred forty-four".