2705897 has 8 divisors (see below), whose sum is σ = 2813952. Its totient is φ = 2599200.

The previous prime is 2705869. The next prime is 2705909. The reversal of 2705897 is 7985072.

2705897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2705897 - 2⁸ = 2705641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2705897.

It is not an unprimeable number, because it can be changed into a prime (2705827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5693 + ... + 6149.

It is an arithmetic number, because the mean of its divisors is an integer number (351744).

2^2705897 is an apocalyptic number.

It is an amenable number.

2705897 is a deficient number, since it is larger than the sum of its proper divisors (108055).

2705897 is a wasteful number, since it uses less digits than its factorization.

2705897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 2705897 is about 1644.9610937648. The cubic root of 2705897 is about 139.3489670321.

The spelling of 2705897 in words is "two million, seven hundred five thousand, eight hundred ninety-seven".