6443132 has 6 divisors (see below), whose sum is σ = 11275488. Its totient is φ = 3221564.

The previous prime is 6443131. The next prime is 6443159. The reversal of 6443132 is 2313446.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6443098 and 6443107.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 805388 + ... + 805395.

It is an arithmetic number, because the mean of its divisors is an integer number (1879248).

Almost surely, 2^6443132 is an apocalyptic number.

It is an amenable number.

6443132 is a deficient number, since it is larger than the sum of its proper divisors (4832356).

6443132 is a wasteful number, since it uses less digits than its factorization.

6443132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610787 (or 1610785 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 6443132 is about 2538.3325235280. The cubic root of 6443132 is about 186.0797053085.

Adding to 6443132 its reverse (2313446), we get a palindrome (8756578).

The spelling of 6443132 in words is "six million, four hundred forty-three thousand, one hundred thirty-two".