2705868 has 36 divisors (see below), whose sum is σ = 7462728. Its totient is φ = 819840.

The previous prime is 2705863. The next prime is 2705869. The reversal of 2705868 is 8685072.

2705868 is a `hidden beast` number, since 2 + 70 + 586 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2705863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3021 + ... + 3812.

It is an arithmetic number, because the mean of its divisors is an integer number (207298).

2^2705868 is an apocalyptic number.

It is an amenable number.

2705868 is an abundant number, since it is smaller than the sum of its proper divisors (4756860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2705868 is a wasteful number, since it uses less digits than its factorization.

2705868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6854 (or 6849 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2705868 is about 1644.9522789431. The cubic root of 2705868 is about 139.3484692139.

The spelling of 2705868 in words is "two million, seven hundred five thousand, eight hundred sixty-eight".