8449472 has 42 divisors (see below), whose sum is σ = 17452848. Its totient is φ = 4056832.

The previous prime is 8449451. The next prime is 8449477. The reversal of 8449472 is 2749448.

It is a d-powerful number, because it can be written as 8³ + 4² + 4⁴ + 9⁵ + 4⁵ + 7 + 2²³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159398 + ... + 159450.

It is an arithmetic number, because the mean of its divisors is an integer number (415544).

Almost surely, 2^8449472 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 8449472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8726424).

8449472 is an abundant number, since it is smaller than the sum of its proper divisors (9003376).

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

8449472 is an equidigital number, since it uses as much as digits as its factorization.

8449472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 102 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 8449472 is about 2906.7975505700. The cubic root of 8449472 is about 203.6775631699.

The spelling of 8449472 in words is "eight million, four hundred forty-nine thousand, four hundred seventy-two".