6432447 has 16 divisors (see below), whose sum is σ = 9869312. Its totient is φ = 3650400.

The previous prime is 6432427. The next prime is 6432457. The reversal of 6432447 is 7442346.

6432447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6432447 - 2⁶ = 6432383 is a prime.

It is a super-3 number, since 3×6432447³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

6432447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6432427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2322 + ... + 4272.

It is an arithmetic number, because the mean of its divisors is an integer number (616832).

Almost surely, 2^6432447 is an apocalyptic number.

6432447 is a deficient number, since it is larger than the sum of its proper divisors (3436865).

6432447 is a wasteful number, since it uses less digits than its factorization.

6432447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118.

The product of its digits is 16128, while the sum is 30.

The square root of 6432447 is about 2536.2269220241. The cubic root of 6432447 is about 185.9767863271.

The spelling of 6432447 in words is "six million, four hundred thirty-two thousand, four hundred forty-seven".