2840916 has 24 divisors (see below), whose sum is σ = 7139104. Its totient is φ = 874080.

The previous prime is 2840911. The next prime is 2840917. The reversal of 2840916 is 6190482.

2840916 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 not an unprimeable number, because it can be changed into a prime (2840911) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8950 + ... + 9261.

2^2840916 is an apocalyptic number.

2840916 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2840916 is an abundant number, since it is smaller than the sum of its proper divisors (4298188).

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

2840916 is a wasteful number, since it uses less digits than its factorization.

2840916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18231 (or 18229 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2840916 is about 1685.5017057244. The cubic root of 2840916 is about 141.6291985496.

The spelling of 2840916 in words is "two million, eight hundred forty thousand, nine hundred sixteen".