2544216 has 32 divisors (see below), whose sum is σ = 6402240. Its totient is φ = 842528.

The previous prime is 2544211. The next prime is 2544221. The reversal of 2544216 is 6124452.

It is an interprime number because it is at equal distance from previous prime (2544211) and next prime (2544221).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215 + ... + 5681.

It is an arithmetic number, because the mean of its divisors is an integer number (200070).

2^2544216 is an apocalyptic number.

It is an amenable number.

2544216 is an abundant number, since it is smaller than the sum of its proper divisors (3858024).

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

2544216 is a wasteful number, since it uses less digits than its factorization.

2544216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 699 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 2544216 is about 1595.0598734844. The cubic root of 2544216 is about 136.5163473827.

Adding to 2544216 its reverse (6124452), we get a palindrome (8668668).

The spelling of 2544216 in words is "two million, five hundred forty-four thousand, two hundred sixteen".