2605834 has 16 divisors (see below), whose sum is σ = 4873536. Its totient is φ = 1015200.

The previous prime is 2605819. The next prime is 2605847. The reversal of 2605834 is 4385062.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8307 + ... + 8614.

It is an arithmetic number, because the mean of its divisors is an integer number (304596).

2^2605834 is an apocalyptic number.

2605834 is a deficient number, since it is larger than the sum of its proper divisors (2267702).

2605834 is a wasteful number, since it uses less digits than its factorization.

2605834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16941.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2605834 is about 1614.2595825951. The cubic root of 2605834 is about 137.6096579777.

It can be divided in two parts, 2605 and 834, that multiplied together give a triangular number (2172570 = T₂₀₈₄).

The spelling of 2605834 in words is "two million, six hundred five thousand, eight hundred thirty-four".