6433147 has 4 divisors (see below), whose sum is σ = 7352176. Its totient is φ = 5514120.

The previous prime is 6433129. The next prime is 6433159. The reversal of 6433147 is 7413346.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6433147 - 2⁷ = 6433019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6433547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459504 + ... + 459517.

It is an arithmetic number, because the mean of its divisors is an integer number (1838044).

Almost surely, 2^6433147 is an apocalyptic number.

6433147 is a deficient number, since it is larger than the sum of its proper divisors (919029).

6433147 is an equidigital number, since it uses as much as digits as its factorization.

6433147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919028.

The product of its digits is 6048, while the sum is 28.

The square root of 6433147 is about 2536.3649185399. The cubic root of 6433147 is about 185.9835322839.

The spelling of 6433147 in words is "six million, four hundred thirty-three thousand, one hundred forty-seven".