8497990 has 16 divisors (see below), whose sum is σ = 15513120. Its totient is φ = 3351040.

The previous prime is 8497969. The next prime is 8497991. The reversal of 8497990 is 997948.

It is a self number, because there is not a number n which added to its sum of digits gives 8497990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8497991) 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, 5275 + ... + 6694.

It is an arithmetic number, because the mean of its divisors is an integer number (969570).

Almost surely, 2^8497990 is an apocalyptic number.

8497990 is a deficient number, since it is larger than the sum of its proper divisors (7015130).

8497990 is a wasteful number, since it uses less digits than its factorization.

8497990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12047.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 8497990 is about 2915.1312148855. The cubic root of 8497990 is about 204.0666673047.

The spelling of 8497990 in words is "eight million, four hundred ninety-seven thousand, nine hundred ninety".