8204661 has 12 divisors (see below), whose sum is σ = 11943360. Its totient is φ = 5427240.

The previous prime is 8204657. The next prime is 8204687. The reversal of 8204661 is 1664028.

It is not a de Polignac number, because 8204661 - 2² = 8204657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8204611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2301 + ... + 4658.

It is an arithmetic number, because the mean of its divisors is an integer number (995280).

Almost surely, 2^8204661 is an apocalyptic number.

It is an amenable number.

8204661 is a deficient number, since it is larger than the sum of its proper divisors (3738699).

8204661 is a wasteful number, since it uses less digits than its factorization.

8204661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096 (or 7093 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8204661 is about 2864.3779429398. The cubic root of 8204661 is about 201.6911677841.

Adding to 8204661 its reverse (1664028), we get a palindrome (9868689).

The spelling of 8204661 in words is "eight million, two hundred four thousand, six hundred sixty-one".