6490269 has 6 divisors (see below), whose sum is σ = 9374846. Its totient is φ = 4326840.

The previous prime is 6490247. The next prime is 6490271. The reversal of 6490269 is 9620946.

6490269 is a `hidden beast` number, since 649 + 0 + 2 + 6 + 9 = 666.

6490269 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4149369 + 2340900 = 2037^2 + 1530^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6490269 is a prime.

It is a super-2 number, since 2×6490269² = 84247183384722, which contains 22 as substring.

It is a Duffinian number.

6490269 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 360562 + ... + 360579.

Almost surely, 2^6490269 is an apocalyptic number.

It is an amenable number.

6490269 is a deficient number, since it is larger than the sum of its proper divisors (2884577).

6490269 is a wasteful number, since it uses less digits than its factorization.

6490269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721147 (or 721144 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 6490269 is about 2547.6006358925. The cubic root of 6490269 is about 186.5323803888.

The spelling of 6490269 in words is "six million, four hundred ninety thousand, two hundred sixty-nine".