6431268 has 12 divisors (see below), whose sum is σ = 15006320. Its totient is φ = 2143752.

The previous prime is 6431261. The next prime is 6431273. The reversal of 6431268 is 8621346.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×6431268² = 82722416175648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6431261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267958 + ... + 267981.

Almost surely, 2^6431268 is an apocalyptic number.

It is an amenable number.

6431268 is an abundant number, since it is smaller than the sum of its proper divisors (8575052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6431268 is a wasteful number, since it uses less digits than its factorization.

6431268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535946 (or 535944 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 6431268 is about 2535.9944794893. The cubic root of 6431268 is about 185.9654231021.

The spelling of 6431268 in words is "six million, four hundred thirty-one thousand, two hundred sixty-eight".