2840920 has 16 divisors (see below), whose sum is σ = 6392160. Its totient is φ = 1136352.

The previous prime is 2840917. The next prime is 2840939. The reversal of 2840920 is 290482.

2840920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35472 + ... + 35551.

It is an arithmetic number, because the mean of its divisors is an integer number (399510).

2^2840920 is an apocalyptic number.

2840920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2840920 is an abundant number, since it is smaller than the sum of its proper divisors (3551240).

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

2840920 is a wasteful number, since it uses less digits than its factorization.

2840920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71034 (or 71030 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2840920 is about 1685.5028923143. The cubic root of 2840920 is about 141.6292650207.

The spelling of 2840920 in words is "two million, eight hundred forty thousand, nine hundred twenty".