8474440 has 64 divisors (see below), whose sum is σ = 21067200. Its totient is φ = 3048192.

The previous prime is 8474407. The next prime is 8474447. The reversal of 8474440 is 444748.

8474440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8474440² = 143632266627200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8474447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22171 + ... + 22549.

It is an arithmetic number, because the mean of its divisors is an integer number (329175).

Almost surely, 2^8474440 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 8474440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10533600).

8474440 is an abundant number, since it is smaller than the sum of its proper divisors (12592760).

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

8474440 is a wasteful number, since it uses less digits than its factorization.

8474440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 8474440 is about 2911.0891432589. The cubic root of 8474440 is about 203.8779867585.

The spelling of 8474440 in words is "eight million, four hundred seventy-four thousand, four hundred forty".