2456216 has 32 divisors (see below), whose sum is σ = 5495040. Its totient is φ = 1006368.

The previous prime is 2456197. The next prime is 2456243. The reversal of 2456216 is 6126542.

2456216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (171720).

2^2456216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2456216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2747520).

2456216 is an abundant number, since it is smaller than the sum of its proper divisors (3038824).

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

2456216 is a wasteful number, since it uses less digits than its factorization.

2456216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1939 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 2456216 is about 1567.2319547533. The cubic root of 2456216 is about 134.9238894257.

The spelling of 2456216 in words is "two million, four hundred fifty-six thousand, two hundred sixteen".