2195697 has 16 divisors (see below), whose sum is σ = 3522560. Its totient is φ = 1188432.

The previous prime is 2195681. The next prime is 2195701. The reversal of 2195697 is 7965912.

It is not a de Polignac number, because 2195697 - 2⁴ = 2195681 is a prime.

It is a Duffinian number.

2195697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2195597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2353 + ... + 3150.

It is an arithmetic number, because the mean of its divisors is an integer number (220160).

2^2195697 is an apocalyptic number.

It is an amenable number.

2195697 is a deficient number, since it is larger than the sum of its proper divisors (1326863).

2195697 is a wasteful number, since it uses less digits than its factorization.

2195697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532.

The product of its digits is 34020, while the sum is 39.

The square root of 2195697 is about 1481.7884464390. The cubic root of 2195697 is about 129.9742947203.

The spelling of 2195697 in words is "two million, one hundred ninety-five thousand, six hundred ninety-seven".