8397791 has 8 divisors (see below), whose sum is σ = 9145200. Its totient is φ = 7680960.

The previous prime is 8397761. The next prime is 8397793. The reversal of 8397791 is 1977938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8397791 - 2¹⁰ = 8396767 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 (8397793) 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 in 7 ways as a sum of consecutive naturals, for example, 7070 + ... + 8171.

It is an arithmetic number, because the mean of its divisors is an integer number (1143150).

Almost surely, 2^8397791 is an apocalyptic number.

8397791 is a deficient number, since it is larger than the sum of its proper divisors (747409).

8397791 is a wasteful number, since it uses less digits than its factorization.

8397791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15289.

The product of its digits is 95256, while the sum is 44.

The square root of 8397791 is about 2897.8942354751. The cubic root of 8397791 is about 203.2614505979.

The spelling of 8397791 in words is "eight million, three hundred ninety-seven thousand, seven hundred ninety-one".