2195929 has 4 divisors (see below), whose sum is σ = 2215476. Its totient is φ = 2176384.

The previous prime is 2195923. The next prime is 2195933. The reversal of 2195929 is 9295912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99225 + 2096704 = 315^2 + 1448^2 .

It is a cyclic number.

It is not a de Polignac number, because 2195929 - 2⁷ = 2195801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9604 + ... + 9829.

It is an arithmetic number, because the mean of its divisors is an integer number (553869).

2^2195929 is an apocalyptic number.

It is an amenable number.

2195929 is a deficient number, since it is larger than the sum of its proper divisors (19547).

2195929 is a wasteful number, since it uses less digits than its factorization.

2195929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19546.

The product of its digits is 14580, while the sum is 37.

The square root of 2195929 is about 1481.8667281507. The cubic root of 2195929 is about 129.9788723061.

The spelling of 2195929 in words is "two million, one hundred ninety-five thousand, nine hundred twenty-nine".