8269144 has 32 divisors (see below), whose sum is σ = 17428320. Its totient is φ = 3649536.

The previous prime is 8269141. The next prime is 8269171. The reversal of 8269144 is 4419628.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8269141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664 + ... + 4120.

It is an arithmetic number, because the mean of its divisors is an integer number (544635).

Almost surely, 2^8269144 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 8269144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8714160).

8269144 is an abundant number, since it is smaller than the sum of its proper divisors (9159176).

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

8269144 is a wasteful number, since it uses less digits than its factorization.

8269144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499 (or 3495 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 8269144 is about 2875.6119348758. The cubic root of 8269144 is about 202.2181742314.

The spelling of 8269144 in words is "eight million, two hundred sixty-nine thousand, one hundred forty-four".