2081695 has 16 divisors (see below), whose sum is σ = 3115008. Its totient is φ = 1297440.

The previous prime is 2081687. The next prime is 2081719. The reversal of 2081695 is 5961802.

It is not a de Polignac number, because 2081695 - 2³ = 2081687 is a prime.

It is a Duffinian number.

2081695 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2319 + ... + 3088.

It is an arithmetic number, because the mean of its divisors is an integer number (194688).

2^2081695 is an apocalyptic number.

2081695 is a deficient number, since it is larger than the sum of its proper divisors (1033313).

2081695 is a wasteful number, since it uses less digits than its factorization.

2081695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2081695 is about 1442.8080260381. The cubic root of 2081695 is about 127.6847507448.

The spelling of 2081695 in words is "two million, eighty-one thousand, six hundred ninety-five".