2195930 has 16 divisors (see below), whose sum is σ = 4312224. Its totient is φ = 798480.

The previous prime is 2195923. The next prime is 2195933. The reversal of 2195930 is 395912.

It is a junction number, because it is equal to n+sod(n) for n = 2195893 and 2195902.

It is not an unprimeable number, because it can be changed into a prime (2195933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9872 + ... + 10091.

It is an arithmetic number, because the mean of its divisors is an integer number (269514).

2^2195930 is an apocalyptic number.

2195930 is a deficient number, since it is larger than the sum of its proper divisors (2116294).

2195930 is a wasteful number, since it uses less digits than its factorization.

2195930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19981.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 2195930 is about 1481.8670655629. The cubic root of 2195930 is about 129.9788920364.

It can be divided in two parts, 2195 and 930, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2195930 in words is "two million, one hundred ninety-five thousand, nine hundred thirty".