6443134 has 4 divisors (see below), whose sum is σ = 9664704. Its totient is φ = 3221566.

The previous prime is 6443131. The next prime is 6443159. The reversal of 6443134 is 4313446.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 6443099 and 6443108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6443131) 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 as a sum of consecutive naturals, namely, 1610782 + ... + 1610785.

It is an arithmetic number, because the mean of its divisors is an integer number (2416176).

Almost surely, 2^6443134 is an apocalyptic number.

6443134 is a deficient number, since it is larger than the sum of its proper divisors (3221570).

6443134 is a wasteful number, since it uses less digits than its factorization.

6443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221569.

The product of its digits is 3456, while the sum is 25.

The square root of 6443134 is about 2538.3329174874. The cubic root of 6443134 is about 186.0797245620.

The spelling of 6443134 in words is "six million, four hundred forty-three thousand, one hundred thirty-four".