8490897 has 12 divisors (see below), whose sum is σ = 12329460. Its totient is φ = 5630688.

The previous prime is 8490893. The next prime is 8490899. The reversal of 8490897 is 7980948.

It can be written as a sum of positive squares in 2 ways, for example, as 4769856 + 3721041 = 2184^2 + 1929^2 .

It is not a de Polignac number, because 8490897 - 2² = 8490893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8490893) 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, 622 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (1027455).

Almost surely, 2^8490897 is an apocalyptic number.

It is an amenable number.

8490897 is a deficient number, since it is larger than the sum of its proper divisors (3838563).

8490897 is a wasteful number, since it uses less digits than its factorization.

8490897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992 (or 4989 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8490897 is about 2913.9143776027. The cubic root of 8490897 is about 204.0098755312.

The spelling of 8490897 in words is "eight million, four hundred ninety thousand, eight hundred ninety-seven".