8491448 has 32 divisors (see below), whose sum is σ = 18545760. Its totient is φ = 3569280.

The previous prime is 8491429. The next prime is 8491451. The reversal of 8491448 is 8441948.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1538 + ... + 4398.

It is an arithmetic number, because the mean of its divisors is an integer number (579555).

Almost surely, 2^8491448 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 8491448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9272880).

8491448 is an abundant number, since it is smaller than the sum of its proper divisors (10054312).

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

8491448 is a wasteful number, since it uses less digits than its factorization.

8491448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927 (or 2923 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 8491448 is about 2914.0089224297. The cubic root of 8491448 is about 204.0142883751.

The spelling of 8491448 in words is "eight million, four hundred ninety-one thousand, four hundred forty-eight".