8383661 has 16 divisors (see below), whose sum is σ = 10281600. Its totient is φ = 6726720.

The previous prime is 8383649. The next prime is 8383673. The reversal of 8383661 is 1663838.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8383649) and next prime (8383673).

It is not a de Polignac number, because 8383661 - 2¹⁰ = 8382637 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 (8383621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2015 + ... + 4563.

It is an arithmetic number, because the mean of its divisors is an integer number (642600).

Almost surely, 2^8383661 is an apocalyptic number.

It is an amenable number.

8383661 is a deficient number, since it is larger than the sum of its proper divisors (1897939).

8383661 is a wasteful number, since it uses less digits than its factorization.

8383661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596.

The product of its digits is 20736, while the sum is 35.

The square root of 8383661 is about 2895.4552319109. The cubic root of 8383661 is about 203.1473850202.

The spelling of 8383661 in words is "eight million, three hundred eighty-three thousand, six hundred sixty-one".