4215816 has 48 divisors (see below), whose sum is σ = 12458160. Its totient is φ = 1277280.

The previous prime is 4215811. The next prime is 4215821. The reversal of 4215816 is 6185124.

4215816 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4215811) and next prime (4215821).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4215816.

It is not an unprimeable number, because it can be changed into a prime (4215811) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1870 + ... + 3453.

It is an arithmetic number, because the mean of its divisors is an integer number (259545).

Almost surely, 2^4215816 is an apocalyptic number.

It is an amenable number.

4215816 is an abundant number, since it is smaller than the sum of its proper divisors (8242344).

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

4215816 is a wasteful number, since it uses less digits than its factorization.

4215816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346 (or 5339 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 4215816 is about 2053.2452362054. The cubic root of 4215816 is about 161.5451346275.

The spelling of 4215816 in words is "four million, two hundred fifteen thousand, eight hundred sixteen".