2195090 has 16 divisors (see below), whose sum is σ = 3972672. Its totient is φ = 873264.

The previous prime is 2195071. The next prime is 2195113. The reversal of 2195090 is 905912.

It is a happy number.

2195090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (248292).

2^2195090 is an apocalyptic number.

2195090 is a deficient number, since it is larger than the sum of its proper divisors (1777582).

2195090 is a wasteful number, since it uses less digits than its factorization.

2195090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 2195090 is about 1481.5836122204. The cubic root of 2195090 is about 129.9623164938.

The spelling of 2195090 in words is "two million, one hundred ninety-five thousand, ninety".