8497957 has 8 divisors (see below), whose sum is σ = 9467640. Its totient is φ = 7573440.

The previous prime is 8497927. The next prime is 8497963. The reversal of 8497957 is 7597948.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1094116 + 7403841 = 1046^2 + 2721^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8497957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8497957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8497927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10894 + ... + 11647.

It is an arithmetic number, because the mean of its divisors is an integer number (1183455).

Almost surely, 2^8497957 is an apocalyptic number.

It is an amenable number.

8497957 is a deficient number, since it is larger than the sum of its proper divisors (969683).

8497957 is a wasteful number, since it uses less digits than its factorization.

8497957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22583.

The product of its digits is 635040, while the sum is 49.

The square root of 8497957 is about 2915.1255547575. The cubic root of 8497957 is about 204.0664031556.

Subtracting from 8497957 its reverse (7597948), we obtain a palindrome (900009).

The spelling of 8497957 in words is "eight million, four hundred ninety-seven thousand, nine hundred fifty-seven".