6490959 has 4 divisors (see below), whose sum is σ = 8654616. Its totient is φ = 4327304.

The previous prime is 6490943. The next prime is 6490961. The reversal of 6490959 is 9590946.

It is a happy number.

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 6490959 - 2⁴ = 6490943 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6490959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081824 + ... + 1081829.

It is an arithmetic number, because the mean of its divisors is an integer number (2163654).

Almost surely, 2^6490959 is an apocalyptic number.

6490959 is a deficient number, since it is larger than the sum of its proper divisors (2163657).

6490959 is a wasteful number, since it uses less digits than its factorization.

6490959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163656.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 6490959 is about 2547.7360538329. The cubic root of 6490959 is about 186.5389904272.

The spelling of 6490959 in words is "six million, four hundred ninety thousand, nine hundred fifty-nine".