2789836 has 24 divisors (see below), whose sum is σ = 5908896. Its totient is φ = 1125120.

The previous prime is 2789821. The next prime is 2789849. The reversal of 2789836 is 6389872.

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 = 2789792 and 2789801.

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, 2455 + ... + 3406.

It is an arithmetic number, because the mean of its divisors is an integer number (246204).

2^2789836 is an apocalyptic number.

It is an amenable number.

2789836 is an abundant number, since it is smaller than the sum of its proper divisors (3119060).

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

2789836 is a wasteful number, since it uses less digits than its factorization.

2789836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889 (or 5887 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 2789836 is about 1670.2802160117. The cubic root of 2789836 is about 140.7752232358.

The spelling of 2789836 in words is "two million, seven hundred eighty-nine thousand, eight hundred thirty-six".