883661 has 2 divisors, whose sum is σ = 883662. Its totient is φ = 883660.

The previous prime is 883639. The next prime is 883667. The reversal of 883661 is 166388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 866761 + 16900 = 931^2 + 130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-883661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (883667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 441830 + 441831.

It is an arithmetic number, because the mean of its divisors is an integer number (441831).

2⁸⁸³⁶⁶¹ is an apocalyptic number.

It is an amenable number.

883661 is a deficient number, since it is larger than the sum of its proper divisors (1).

883661 is an equidigital number, since it uses as much as digits as its factorization.

883661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 883661 is about 940.0324462485. The cubic root of 883661 is about 95.9611025865.

The spelling of 883661 in words is "eight hundred eighty-three thousand, six hundred sixty-one".