4043216 has 20 divisors (see below), whose sum is σ = 8175072. Its totient is φ = 1933536.

The previous prime is 4043191. The next prime is 4043233. The reversal of 4043216 is 6123404.

It is a happy number.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5126 + ... + 5861.

Almost surely, 2^4043216 is an apocalyptic number.

4043216 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4043216 is an abundant number, since it is smaller than the sum of its proper divisors (4131856).

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

4043216 is a wasteful number, since it uses less digits than its factorization.

4043216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11018 (or 11012 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4043216 is about 2010.7749749786. The cubic root of 4043216 is about 159.3097347021.

The spelling of 4043216 in words is "four million, forty-three thousand, two hundred sixteen".