8410991 has 2 divisors, whose sum is σ = 8410992. Its totient is φ = 8410990.

The previous prime is 8410943. The next prime is 8410999. The reversal of 8410991 is 1990148.

8410991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8410991 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p₅₆₅₅₅₆ and since 8410991 and 565556 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8410999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4205495 + 4205496.

It is an arithmetic number, because the mean of its divisors is an integer number (4205496).

Almost surely, 2^8410991 is an apocalyptic number.

8410991 is a deficient number, since it is larger than the sum of its proper divisors (1).

8410991 is an equidigital number, since it uses as much as digits as its factorization.

8410991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 8410991 is about 2900.1708570358. The cubic root of 8410991 is about 203.3678931373.

The spelling of 8410991 in words is "eight million, four hundred ten thousand, nine hundred ninety-one".