8913791 has 2 divisors, whose sum is σ = 8913792. Its totient is φ = 8913790.

The previous prime is 8913787. The next prime is 8913803. The reversal of 8913791 is 1973198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8913791 - 2² = 8913787 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8913721) 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, 4456895 + 4456896.

It is an arithmetic number, because the mean of its divisors is an integer number (4456896).

Almost surely, 2^8913791 is an apocalyptic number.

8913791 is a deficient number, since it is larger than the sum of its proper divisors (1).

8913791 is an equidigital number, since it uses as much as digits as its factorization.

8913791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 38.

The square root of 8913791 is about 2985.5972601810. The cubic root of 8913791 is about 207.3420949922.

The spelling of 8913791 in words is "eight million, nine hundred thirteen thousand, seven hundred ninety-one".