2647216 has 60 divisors (see below), whose sum is σ = 6126840. Its totient is φ = 1098240.

The previous prime is 2647193. The next prime is 2647243. The reversal of 2647216 is 6127462.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29700 + ... + 29788.

It is an arithmetic number, because the mean of its divisors is an integer number (102114).

2^2647216 is an apocalyptic number.

2647216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2647216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3063420).

2647216 is an abundant number, since it is smaller than the sum of its proper divisors (3479624).

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

2647216 is a wasteful number, since it uses less digits than its factorization.

2647216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 115 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 2647216 is about 1627.0267361048. The cubic root of 2647216 is about 138.3342733118.

The spelling of 2647216 in words is "two million, six hundred forty-seven thousand, two hundred sixteen".