2840365 has 16 divisors (see below), whose sum is σ = 3807936. Its totient is φ = 2016000.

The previous prime is 2840359. The next prime is 2840393. The reversal of 2840365 is 5630482.

It is not a de Polignac number, because 2840365 - 2⁷ = 2840237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1765 + ... + 2965.

It is an arithmetic number, because the mean of its divisors is an integer number (237996).

2^2840365 is an apocalyptic number.

It is an amenable number.

2840365 is a deficient number, since it is larger than the sum of its proper divisors (967571).

2840365 is a wasteful number, since it uses less digits than its factorization.

2840365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260.

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

The square root of 2840365 is about 1685.3382449823. The cubic root of 2840365 is about 141.6200415577.

The spelling of 2840365 in words is "two million, eight hundred forty thousand, three hundred sixty-five".