2816040 has 64 divisors (see below), whose sum is σ = 8732160. Its totient is φ = 725760.

The previous prime is 2816029. The next prime is 2816053. The reversal of 2816040 is 406182.

It is a junction number, because it is equal to n+sod(n) for n = 2815998 and 2816016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3342 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (136440).

2^2816040 is an apocalyptic number.

2816040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2816040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4366080).

2816040 is an abundant number, since it is smaller than the sum of its proper divisors (5916120).

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

2816040 is a wasteful number, since it uses less digits than its factorization.

2816040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2816040 is about 1678.1060753123. The cubic root of 2816040 is about 141.2146020365.

The spelling of 2816040 in words is "two million, eight hundred sixteen thousand, forty".