2605854 has 24 divisors (see below), whose sum is σ = 5454792. Its totient is φ = 829840.

The previous prime is 2605849. The next prime is 2605871. The reversal of 2605854 is 4585062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2764 + ... + 3584.

It is an arithmetic number, because the mean of its divisors is an integer number (227283).

2^2605854 is an apocalyptic number.

2605854 is an abundant number, since it is smaller than the sum of its proper divisors (2848938).

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

2605854 is a wasteful number, since it uses less digits than its factorization.

2605854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2605854 is about 1614.2657773737. The cubic root of 2605854 is about 137.6100100321.

The spelling of 2605854 in words is "two million, six hundred five thousand, eight hundred fifty-four".