2313216 has 66 divisors (see below), whose sum is σ = 6705972. Its totient is φ = 768000.

The previous prime is 2313211. The next prime is 2313239. The reversal of 2313216 is 6123132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2313211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9091 + ... + 9341.

2^2313216 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 2313216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3352986).

2313216 is an abundant number, since it is smaller than the sum of its proper divisors (4392756).

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

2313216 is a wasteful number, since it uses less digits than its factorization.

2313216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 256 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 2313216 is about 1520.9260337045. The cubic root of 2313216 is about 132.2529584591.

Adding to 2313216 its reverse (6123132), we get a palindrome (8436348).

The spelling of 2313216 in words is "two million, three hundred thirteen thousand, two hundred sixteen".