8439066 has 40 divisors (see below), whose sum is σ = 19118484. Its totient is φ = 2782080.

The previous prime is 8439061. The next prime is 8439073. The reversal of 8439066 is 6609348.

It can be written as a sum of positive squares in 2 ways, for example, as 7049025 + 1390041 = 2655^2 + 1179^2 .

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8439066.

It is not an unprimeable number, because it can be changed into a prime (8439061) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18076 + ... + 18536.

Almost surely, 2^8439066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8439066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9559242).

8439066 is an abundant number, since it is smaller than the sum of its proper divisors (10679418).

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

8439066 is a wasteful number, since it uses less digits than its factorization.

8439066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 8439066 is about 2905.0070567901. The cubic root of 8439066 is about 203.5939153632.

The spelling of 8439066 in words is "eight million, four hundred thirty-nine thousand, sixty-six".