8361997 has 8 divisors (see below), whose sum is σ = 9752000. Its totient is φ = 7167132.

The previous prime is 8361979. The next prime is 8362021. The reversal of 8361997 is 7991638.

It is a de Polignac number, because none of the positive numbers 2^k-8361997 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 (8361907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11847 + ... + 12532.

It is an arithmetic number, because the mean of its divisors is an integer number (1219000).

Almost surely, 2^8361997 is an apocalyptic number.

It is an amenable number.

8361997 is a deficient number, since it is larger than the sum of its proper divisors (1390003).

8361997 is an equidigital number, since it uses as much as digits as its factorization.

8361997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24400 (or 24386 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 8361997 is about 2891.7117767855. The cubic root of 8361997 is about 202.9722514588.

The spelling of 8361997 in words is "eight million, three hundred sixty-one thousand, nine hundred ninety-seven".