8342661 has 4 divisors (see below), whose sum is σ = 11123552. Its totient is φ = 5561772.

The previous prime is 8342651. The next prime is 8342669. The reversal of 8342661 is 1662438.

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 8342661 - 2⁹ = 8342149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8342669) 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 3 ways as a sum of consecutive naturals, for example, 1390441 + ... + 1390446.

It is an arithmetic number, because the mean of its divisors is an integer number (2780888).

Almost surely, 2^8342661 is an apocalyptic number.

It is an amenable number.

8342661 is a deficient number, since it is larger than the sum of its proper divisors (2780891).

8342661 is a wasteful number, since it uses less digits than its factorization.

8342661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780890.

The product of its digits is 6912, while the sum is 30.

The square root of 8342661 is about 2888.3664933661. The cubic root of 8342661 is about 202.8156819839.

The spelling of 8342661 in words is "eight million, three hundred forty-two thousand, six hundred sixty-one".