2840635 has 16 divisors (see below), whose sum is σ = 3923136. Its totient is φ = 1934208.

The previous prime is 2840627. The next prime is 2840647. The reversal of 2840635 is 5360482.

2840635 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2840635 - 2³ = 2840627 is a prime.

2840635 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9549 + ... + 9841.

It is an arithmetic number, because the mean of its divisors is an integer number (245196).

2^2840635 is an apocalyptic number.

2840635 is a deficient number, since it is larger than the sum of its proper divisors (1082501).

2840635 is a wasteful number, since it uses less digits than its factorization.

2840635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582.

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

The square root of 2840635 is about 1685.4183456934. The cubic root of 2840635 is about 141.6245287979.

It can be divided in two parts, 28406 and 35, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 2840635 in words is "two million, eight hundred forty thousand, six hundred thirty-five".