2107897 has 4 divisors (see below), whose sum is σ = 2299536. Its totient is φ = 1916260.

The previous prime is 2107883. The next prime is 2107909. The reversal of 2107897 is 7987012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2107897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2107837) 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, 95803 + ... + 95824.

It is an arithmetic number, because the mean of its divisors is an integer number (574884).

2^2107897 is an apocalyptic number.

It is an amenable number.

2107897 is a deficient number, since it is larger than the sum of its proper divisors (191639).

2107897 is a wasteful number, since it uses less digits than its factorization.

2107897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191638.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 2107897 is about 1451.8598417203. The cubic root of 2107897 is about 128.2182352900.

The spelling of 2107897 in words is "two million, one hundred seven thousand, eight hundred ninety-seven".