6432216 has 32 divisors (see below), whose sum is σ = 18378240. Its totient is φ = 1837728.

The previous prime is 6432193. The next prime is 6432227. The reversal of 6432216 is 6122346.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18976 + ... + 19311.

It is an arithmetic number, because the mean of its divisors is an integer number (574320).

Almost surely, 2^6432216 is an apocalyptic number.

It is an amenable number.

6432216 is an abundant number, since it is smaller than the sum of its proper divisors (11946024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6432216 is a wasteful number, since it uses less digits than its factorization.

6432216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38303 (or 38299 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 6432216 is about 2536.1813815262. The cubic root of 6432216 is about 185.9745600540.

The spelling of 6432216 in words is "six million, four hundred thirty-two thousand, two hundred sixteen".