2820854 has 12 divisors (see below), whose sum is σ = 4466844. Its totient is φ = 1335852.

The previous prime is 2820833. The next prime is 2820863. The reversal of 2820854 is 4580282.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1232 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (372237).

2^2820854 is an apocalyptic number.

2820854 is a deficient number, since it is larger than the sum of its proper divisors (1645990).

2820854 is a wasteful number, since it uses less digits than its factorization.

2820854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947 (or 3928 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 2820854 is about 1679.5398179263. The cubic root of 2820854 is about 141.2950246733.

The spelling of 2820854 in words is "two million, eight hundred twenty thousand, eight hundred fifty-four".