8099661 has 4 divisors (see below), whose sum is σ = 10799552. Its totient is φ = 5399772.

The previous prime is 8099659. The next prime is 8099683. The reversal of 8099661 is 1669908.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8099661 - 2¹ = 8099659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8099621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349941 + ... + 1349946.

It is an arithmetic number, because the mean of its divisors is an integer number (2699888).

Almost surely, 2^8099661 is an apocalyptic number.

It is an amenable number.

8099661 is a deficient number, since it is larger than the sum of its proper divisors (2699891).

8099661 is a wasteful number, since it uses less digits than its factorization.

8099661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699890.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 8099661 is about 2845.9903372991. The cubic root of 8099661 is about 200.8270832847.

The spelling of 8099661 in words is "eight million, ninety-nine thousand, six hundred sixty-one".