2195760 has 80 divisors (see below), whose sum is σ = 7785216. Its totient is φ = 501504.

The previous prime is 2195759. The next prime is 2195777. The reversal of 2195760 is 675912.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027 + ... + 2333.

2^2195760 is an apocalyptic number.

2195760 is a gapful number since it is divisible by the number (20) 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 2195760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3892608).

2195760 is an abundant number, since it is smaller than the sum of its proper divisors (5589456).

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

2195760 is a wasteful number, since it uses less digits than its factorization.

2195760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2195760 is about 1481.8097043818. The cubic root of 2195760 is about 129.9755378035.

The spelling of 2195760 in words is "two million, one hundred ninety-five thousand, seven hundred sixty".