8446889 has 6 divisors (see below), whose sum is σ = 9284730. Its totient is φ = 7678880.

The previous prime is 8446883. The next prime is 8446913. The reversal of 8446889 is 9886448.

It can be written as a sum of positive squares in only one way, i.e., 8179600 + 267289 = 2860^2 + 517^2 .

It is not a de Polignac number, because 8446889 - 2⁴ = 8446873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8446883) 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, 34784 + ... + 35025.

It is an arithmetic number, because the mean of its divisors is an integer number (1547455).

Almost surely, 2^8446889 is an apocalyptic number.

It is an amenable number.

8446889 is a deficient number, since it is larger than the sum of its proper divisors (837841).

8446889 is a wasteful number, since it uses less digits than its factorization.

8446889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69831 (or 69820 counting only the distinct ones).

The product of its digits is 442368, while the sum is 47.

The square root of 8446889 is about 2906.3532132210. The cubic root of 8446889 is about 203.6568063398.

The spelling of 8446889 in words is "eight million, four hundred forty-six thousand, eight hundred eighty-nine".