2816280 has 48 divisors (see below), whose sum is σ = 9154080. Its totient is φ = 750912.

The previous prime is 2816269. The next prime is 2816291. The reversal of 2816280 is 826182.

2816280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2816269) and next prime (2816291).

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 11 ways as a sum of consecutive naturals, for example, 3552 + ... + 4271.

It is an arithmetic number, because the mean of its divisors is an integer number (190710).

2^2816280 is an apocalyptic number.

2816280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2816280 is an abundant number, since it is smaller than the sum of its proper divisors (6337800).

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

2816280 is a wasteful number, since it uses less digits than its factorization.

2816280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7840 (or 7833 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2816280 is about 1678.1775829751. The cubic root of 2816280 is about 141.2186136440.

It can be divided in two parts, 281 and 6280, that added together give a 8-th power (6561 = 3⁸).

The spelling of 2816280 in words is "two million, eight hundred sixteen thousand, two hundred eighty".