2196576 has 72 divisors (see below), whose sum is σ = 6486480. Its totient is φ = 704256.

The previous prime is 2196563. The next prime is 2196583. The reversal of 2196576 is 6756912.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2196576² = 9649892247552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2196576.

It is a congruent number.

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, 8221 + ... + 8483.

It is an arithmetic number, because the mean of its divisors is an integer number (90090).

2^2196576 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 2196576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3243240).

2196576 is an abundant number, since it is smaller than the sum of its proper divisors (4289904).

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

2196576 is a wasteful number, since it uses less digits than its factorization.

2196576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 297 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 2196576 is about 1482.0850178043. The cubic root of 2196576 is about 129.9916365428.

2196576 divided by its sum of digits (36) gives a palindrome (61016).

It can be divided in two parts, 2196 and 576, that added together give a palindrome (2772).

The spelling of 2196576 in words is "two million, one hundred ninety-six thousand, five hundred seventy-six".