6500889 has 6 divisors (see below), whose sum is σ = 9390186. Its totient is φ = 4333920.

The previous prime is 6500887. The next prime is 6500903. The reversal of 6500889 is 9880056.

It can be written as a sum of positive squares in only one way, i.e., 4875264 + 1625625 = 2208^2 + 1275^2 .

It is not a de Polignac number, because 6500889 - 2¹ = 6500887 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6500887) 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, 361152 + ... + 361169.

It is an arithmetic number, because the mean of its divisors is an integer number (1565031).

Almost surely, 2^6500889 is an apocalyptic number.

It is an amenable number.

6500889 is a deficient number, since it is larger than the sum of its proper divisors (2889297).

6500889 is a wasteful number, since it uses less digits than its factorization.

6500889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722327 (or 722324 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 6500889 is about 2549.6840980796. The cubic root of 6500889 is about 186.6340656643.

The spelling of 6500889 in words is "six million, five hundred thousand, eight hundred eighty-nine".