2786916 has 48 divisors (see below), whose sum is σ = 7273728. Its totient is φ = 823200.

The previous prime is 2786909. The next prime is 2786923. The reversal of 2786916 is 6196872.

It is an interprime number because it is at equal distance from previous prime (2786909) and next prime (2786923).

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, 5431 + ... + 5921.

It is an arithmetic number, because the mean of its divisors is an integer number (151536).

2^2786916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2786916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3636864).

2786916 is an abundant number, since it is smaller than the sum of its proper divisors (4486812).

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

2786916 is a wasteful number, since it uses less digits than its factorization.

2786916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 550 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 2786916 is about 1669.4058823426. The cubic root of 2786916 is about 140.7260916561.

The spelling of 2786916 in words is "two million, seven hundred eighty-six thousand, nine hundred sixteen".