2905836 has 24 divisors (see below), whose sum is σ = 6849024. Its totient is φ = 958800.

The previous prime is 2905823. The next prime is 2905853. The reversal of 2905836 is 6385092.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2905797 and 2905806.

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, 61 + ... + 2411.

It is an arithmetic number, because the mean of its divisors is an integer number (285376).

2^2905836 is an apocalyptic number.

It is an amenable number.

2905836 is an abundant number, since it is smaller than the sum of its proper divisors (3943188).

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

2905836 is a wasteful number, since it uses less digits than its factorization.

2905836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461 (or 2459 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2905836 is about 1704.6512839874. The cubic root of 2905836 is about 142.6999102469.

It can be divided in two parts, 2905 and 836, that added together give a triangular number (3741 = T₈₆).

The spelling of 2905836 in words is "two million, nine hundred five thousand, eight hundred thirty-six".