2820916 has 12 divisors (see below), whose sum is σ = 5641888. Its totient is φ = 1208952.

The previous prime is 2820913. The next prime is 2820919. The reversal of 2820916 is 6190282.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2820913) and next prime (2820919).

2820916 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 100747 = 2820916 / (2 + 8 + 2 + 0 + 9 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50346 + ... + 50401.

2^2820916 is an apocalyptic number.

It is an amenable number.

2820916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2820916 is a wasteful number, since it uses less digits than its factorization.

2820916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100758 (or 100756 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2820916 is about 1679.5582752617. The cubic root of 2820916 is about 141.2960598477.

The spelling of 2820916 in words is "two million, eight hundred twenty thousand, nine hundred sixteen".