8966641 has 2 divisors, whose sum is σ = 8966642. Its totient is φ = 8966640.

The previous prime is 8966627. The next prime is 8966653. The reversal of 8966641 is 1466698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4950625 + 4016016 = 2225^2 + 2004^2 .

It is a cyclic number.

It is not a de Polignac number, because 8966641 - 2⁵ = 8966609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8966594 and 8966603.

It is not a weakly prime, because it can be changed into another prime (8966621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4483320 + 4483321.

It is an arithmetic number, because the mean of its divisors is an integer number (4483321).

Almost surely, 2^8966641 is an apocalyptic number.

It is an amenable number.

8966641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8966641 is an equidigital number, since it uses as much as digits as its factorization.

8966641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 8966641 is about 2994.4350051387. The cubic root of 8966641 is about 207.7510659153.

The spelling of 8966641 in words is "eight million, nine hundred sixty-six thousand, six hundred forty-one".