6431456 has 12 divisors (see below), whose sum is σ = 12661992. Its totient is φ = 3215712.

The previous prime is 6431441. The next prime is 6431461. The reversal of 6431456 is 6541346.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100460 + ... + 100523.

It is an arithmetic number, because the mean of its divisors is an integer number (1055166).

Almost surely, 2^6431456 is an apocalyptic number.

It is an amenable number.

6431456 is a deficient number, since it is larger than the sum of its proper divisors (6230536).

6431456 is a wasteful number, since it uses less digits than its factorization.

6431456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200993 (or 200985 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 6431456 is about 2536.0315455451. The cubic root of 6431456 is about 185.9672351428.

The spelling of 6431456 in words is "six million, four hundred thirty-one thousand, four hundred fifty-six".