2840516 has 24 divisors (see below), whose sum is σ = 5718720. Its totient is φ = 1209312.

The previous prime is 2840507. The next prime is 2840549. The reversal of 2840516 is 6150482.

2840516 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2840516² = 16137062292512, which contains 22 as substring.

2840516 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6191 + ... + 6633.

It is an arithmetic number, because the mean of its divisors is an integer number (238280).

2^2840516 is an apocalyptic number.

It is an amenable number.

2840516 is an abundant number, since it is smaller than the sum of its proper divisors (2878204).

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

2840516 is a wasteful number, since it uses less digits than its factorization.

2840516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2840516 is about 1685.3830425159. The cubic root of 2840516 is about 141.6225511233.

Adding to 2840516 its reverse (6150482), we get a palindrome (8990998).

The spelling of 2840516 in words is "two million, eight hundred forty thousand, five hundred sixteen".