8508997 has 12 divisors (see below), whose sum is σ = 9957216. Its totient is φ = 7250040.

The previous prime is 8508989. The next prime is 8509009. The reversal of 8508997 is 7998058.

It is not a de Polignac number, because 8508997 - 2³ = 8508989 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 (8508917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9928 + ... + 10750.

It is an arithmetic number, because the mean of its divisors is an integer number (829768).

Almost surely, 2^8508997 is an apocalyptic number.

It is an amenable number.

8508997 is a deficient number, since it is larger than the sum of its proper divisors (1448219).

8508997 is a wasteful number, since it uses less digits than its factorization.

8508997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 8508997 is about 2917.0185121113. The cubic root of 8508997 is about 204.1547349036.

The spelling of 8508997 in words is "eight million, five hundred eight thousand, nine hundred ninety-seven".