8497491 has 8 divisors (see below), whose sum is σ = 11447184. Its totient is φ = 5606400.

The previous prime is 8497469. The next prime is 8497507. The reversal of 8497491 is 1947948.

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

It is not a de Polignac number, because 8497491 - 2⁹ = 8496979 is a prime.

8497491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8497421) 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, 14310 + ... + 14891.

It is an arithmetic number, because the mean of its divisors is an integer number (1430898).

Almost surely, 2^8497491 is an apocalyptic number.

8497491 is a deficient number, since it is larger than the sum of its proper divisors (2949693).

8497491 is a wasteful number, since it uses less digits than its factorization.

8497491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29301.

The product of its digits is 72576, while the sum is 42.

The square root of 8497491 is about 2915.0456257150. The cubic root of 8497491 is about 204.0626729774.

The spelling of 8497491 in words is "eight million, four hundred ninety-seven thousand, four hundred ninety-one".