8259966 has 48 divisors (see below), whose sum is σ = 21031920. Its totient is φ = 2309760.

The previous prime is 8259929. The next prime is 8259973. The reversal of 8259966 is 6699528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 970 + ... + 4178.

It is an arithmetic number, because the mean of its divisors is an integer number (438165).

Almost surely, 2^8259966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8259966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10515960).

8259966 is an abundant number, since it is smaller than the sum of its proper divisors (12771954).

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

8259966 is a wasteful number, since it uses less digits than its factorization.

8259966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241 (or 3238 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 8259966 is about 2874.0156575774. The cubic root of 8259966 is about 202.1433319231.

The spelling of 8259966 in words is "eight million, two hundred fifty-nine thousand, nine hundred sixty-six".