8485440 has 56 divisors (see below), whose sum is σ = 26944320. Its totient is φ = 2262528.

The previous prime is 8485417. The next prime is 8485441. The reversal of 8485440 is 445848.

It is not an unprimeable number, because it can be changed into a prime (8485441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3460 + ... + 5379.

Almost surely, 2^8485440 is an apocalyptic number.

8485440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8485440 is an abundant number, since it is smaller than the sum of its proper divisors (18458880).

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

8485440 is a wasteful number, since it uses less digits than its factorization.

8485440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859 (or 8849 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 8485440 is about 2912.9778577943. The cubic root of 8485440 is about 203.9661612462.

The spelling of 8485440 in words is "eight million, four hundred eighty-five thousand, four hundred forty".