8445000 has 80 divisors (see below), whose sum is σ = 26429040. Its totient is φ = 2248000.

The previous prime is 8444983. The next prime is 8445013. The reversal of 8445000 is 5448.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14719 + ... + 15281.

It is an arithmetic number, because the mean of its divisors is an integer number (330363).

Almost surely, 2^8445000 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 8445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13214520).

8445000 is an abundant number, since it is smaller than the sum of its proper divisors (17984040).

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

8445000 is a wasteful number, since it uses less digits than its factorization.

8445000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 8445000 is about 2906.0282173441. The cubic root of 8445000 is about 203.6416237722.

The spelling of 8445000 in words is "eight million, four hundred forty-five thousand".