6490459 has 4 divisors (see below), whose sum is σ = 6502104. Its totient is φ = 6478816.

The previous prime is 6490427. The next prime is 6490483. The reversal of 6490459 is 9540946.

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 6490459 - 2⁵ = 6490427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6490409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4942 + ... + 6115.

It is an arithmetic number, because the mean of its divisors is an integer number (1625526).

Almost surely, 2^6490459 is an apocalyptic number.

6490459 is a deficient number, since it is larger than the sum of its proper divisors (11645).

6490459 is a wasteful number, since it uses less digits than its factorization.

6490459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11644.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6490459 is about 2547.6379256087. The cubic root of 6490459 is about 186.5342005910.

The spelling of 6490459 in words is "six million, four hundred ninety thousand, four hundred fifty-nine".