6433971 has 8 divisors (see below), whose sum is σ = 8761344. Its totient is φ = 4197960.

The previous prime is 6433963. The next prime is 6433981. The reversal of 6433971 is 1793346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6433971 - 2³ = 6433963 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6433981) 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 7 ways as a sum of consecutive naturals, for example, 22675 + ... + 22956.

It is an arithmetic number, because the mean of its divisors is an integer number (1095168).

Almost surely, 2^6433971 is an apocalyptic number.

6433971 is a deficient number, since it is larger than the sum of its proper divisors (2327373).

6433971 is a wasteful number, since it uses less digits than its factorization.

6433971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45681.

The product of its digits is 13608, while the sum is 33.

The square root of 6433971 is about 2536.5273505326. The cubic root of 6433971 is about 185.9914726117.

The spelling of 6433971 in words is "six million, four hundred thirty-three thousand, nine hundred seventy-one".