8169448 has 32 divisors (see below), whose sum is σ = 17674560. Its totient is φ = 3467520.

The previous prime is 8169433. The next prime is 8169457. The reversal of 8169448 is 8449618.

It is a self number, because there is not a number n which added to its sum of digits gives 8169448.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5683 + ... + 6973.

It is an arithmetic number, because the mean of its divisors is an integer number (552330).

Almost surely, 2^8169448 is an apocalyptic number.

8169448 is the 1808-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8169448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8837280).

8169448 is an abundant number, since it is smaller than the sum of its proper divisors (9505112).

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

8169448 is a wasteful number, since it uses less digits than its factorization.

8169448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1413 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 8169448 is about 2858.2246237831. The cubic root of 8169448 is about 201.4022126893.

The spelling of 8169448 in words is "eight million, one hundred sixty-nine thousand, four hundred forty-eight".