2195856 has 160 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 608256.

The previous prime is 2195827. The next prime is 2195861. The reversal of 2195856 is 6585912.

It is a happy number.

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

It is a d-powerful number, because it can be written as 2¹⁷ + 1 + 9³ + 5⁷ + 8⁵ + 5⁹ + 6² .

It is a self number, because there is not a number n which added to its sum of digits gives 2195856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95461 + ... + 95483.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

2^2195856 is an apocalyptic number.

2195856 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 2195856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749760).

2195856 is an abundant number, since it is smaller than the sum of its proper divisors (5303664).

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

2195856 is a wasteful number, since it uses less digits than its factorization.

2195856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 58 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 2195856 is about 1481.8420968511. The cubic root of 2195856 is about 129.9774319799.

The spelling of 2195856 in words is "two million, one hundred ninety-five thousand, eight hundred fifty-six".