8490959 has 4 divisors (see below), whose sum is σ = 8504616. Its totient is φ = 8477304.

The previous prime is 8490949. The next prime is 8491001. The reversal of 8490959 is 9590948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8490959 - 2¹⁶ = 8425423 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 (8490919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5849 + ... + 7154.

It is an arithmetic number, because the mean of its divisors is an integer number (2126154).

Almost surely, 2^8490959 is an apocalyptic number.

8490959 is a deficient number, since it is larger than the sum of its proper divisors (13657).

8490959 is a wasteful number, since it uses less digits than its factorization.

8490959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13656.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 8490959 is about 2913.9250161938. The cubic root of 8490959 is about 204.0103720857.

It can be divided in two parts, 8490 and 959, that added together give a palindrome (9449).

The spelling of 8490959 in words is "eight million, four hundred ninety thousand, nine hundred fifty-nine".