8445284 has 6 divisors (see below), whose sum is σ = 14779254. Its totient is φ = 4222640.

The previous prime is 8445271. The next prime is 8445343. The reversal of 8445284 is 4825448.

It can be written as a sum of positive squares in only one way, i.e., 7840000 + 605284 = 2800^2 + 778^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055657 + ... + 1055664.

It is an arithmetic number, because the mean of its divisors is an integer number (2463209).

Almost surely, 2^8445284 is an apocalyptic number.

It is an amenable number.

8445284 is a deficient number, since it is larger than the sum of its proper divisors (6333970).

8445284 is a wasteful number, since it uses less digits than its factorization.

8445284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111325 (or 2111323 counting only the distinct ones).

The product of its digits is 40960, while the sum is 35.

The square root of 8445284 is about 2906.0770808772. The cubic root of 8445284 is about 203.6439065262.

The spelling of 8445284 in words is "eight million, four hundred forty-five thousand, two hundred eighty-four".