8339661 has 12 divisors (see below), whose sum is σ = 13141440. Its totient is φ = 5054280.

The previous prime is 8339657. The next prime is 8339663. The reversal of 8339661 is 1669338.

It is a happy number.

It is not a de Polignac number, because 8339661 - 2² = 8339657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8339663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42021 + ... + 42218.

It is an arithmetic number, because the mean of its divisors is an integer number (1095120).

Almost surely, 2^8339661 is an apocalyptic number.

It is an amenable number.

8339661 is a deficient number, since it is larger than the sum of its proper divisors (4801779).

8339661 is a wasteful number, since it uses less digits than its factorization.

8339661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84256 (or 84253 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 8339661 is about 2887.8471219924. The cubic root of 8339661 is about 202.7913683989.

The spelling of 8339661 in words is "eight million, three hundred thirty-nine thousand, six hundred sixty-one".