6431446 has 48 divisors (see below), whose sum is σ = 12147840. Its totient is φ = 2540160.

The previous prime is 6431441. The next prime is 6431461. The reversal of 6431446 is 6441346.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6431441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88066 + ... + 88138.

It is an arithmetic number, because the mean of its divisors is an integer number (253080).

Almost surely, 2^6431446 is an apocalyptic number.

6431446 is a deficient number, since it is larger than the sum of its proper divisors (5716394).

6431446 is a wasteful number, since it uses less digits than its factorization.

6431446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 142 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 6431446 is about 2536.0295739601. The cubic root of 6431446 is about 185.9671387586.

The spelling of 6431446 in words is "six million, four hundred thirty-one thousand, four hundred forty-six".