2526216 has 64 divisors (see below), whose sum is σ = 7879680. Its totient is φ = 655680.

The previous prime is 2526211. The next prime is 2526233. The reversal of 2526216 is 6126252.

2526216 = 21² + 22² + ... + 196².

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

It is not an unprimeable number, because it can be changed into a prime (2526211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2^2526216 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 2526216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3939840).

2526216 is an abundant number, since it is smaller than the sum of its proper divisors (5353464).

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

2526216 is a wasteful number, since it uses less digits than its factorization.

2526216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1390 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 2526216 is about 1589.4074367512. The cubic root of 2526216 is about 136.1936399617.

The spelling of 2526216 in words is "two million, five hundred twenty-six thousand, two hundred sixteen".