8490249 has 12 divisors (see below), whose sum is σ = 12659712. Its totient is φ = 5477400.

The previous prime is 8490247. The next prime is 8490253. The reversal of 8490249 is 9420948.

It is a happy number.

It is not a de Polignac number, because 8490249 - 2¹ = 8490247 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8490247) 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, 14937 + ... + 15494.

It is an arithmetic number, because the mean of its divisors is an integer number (1054976).

Almost surely, 2^8490249 is an apocalyptic number.

It is an amenable number.

8490249 is a deficient number, since it is larger than the sum of its proper divisors (4169463).

8490249 is a wasteful number, since it uses less digits than its factorization.

8490249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30468 (or 30465 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 8490249 is about 2913.8031848428. The cubic root of 8490249 is about 204.0046855902.

The spelling of 8490249 in words is "eight million, four hundred ninety thousand, two hundred forty-nine".