2105697 has 8 divisors (see below), whose sum is σ = 3062880. Its totient is φ = 1276160.

The previous prime is 2105693. The next prime is 2105699. The reversal of 2105697 is 7965012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2105697 - 2² = 2105693 is a prime.

2105697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2105693) 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, 31872 + ... + 31937.

It is an arithmetic number, because the mean of its divisors is an integer number (382860).

2^2105697 is an apocalyptic number.

It is an amenable number.

2105697 is a deficient number, since it is larger than the sum of its proper divisors (957183).

2105697 is a wasteful number, since it uses less digits than its factorization.

2105697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63823.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2105697 is about 1451.1019950369. The cubic root of 2105697 is about 128.1736128836.

The spelling of 2105697 in words is "two million, one hundred five thousand, six hundred ninety-seven".