4212816 has 20 divisors (see below), whose sum is σ = 10883232. Its totient is φ = 1404256.

The previous prime is 4212799. The next prime is 4212827. The reversal of 4212816 is 6182124.

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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43836 + ... + 43931.

Almost surely, 2^4212816 is an apocalyptic number.

It is an amenable number.

4212816 is an abundant number, since it is smaller than the sum of its proper divisors (6670416).

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

4212816 is a wasteful number, since it uses less digits than its factorization.

4212816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87778 (or 87772 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 4212816 is about 2052.5145553686. The cubic root of 4212816 is about 161.5068067051.

The spelling of 4212816 in words is "four million, two hundred twelve thousand, eight hundred sixteen".