2820994 has 12 divisors (see below), whose sum is σ = 4651542. Its totient is φ = 1282160.

The previous prime is 2820977. The next prime is 2821001. The reversal of 2820994 is 4990282.

It can be written as a sum of positive squares in only one way, i.e., 2140369 + 680625 = 1463^2 + 825^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5587 + ... + 6070.

2^2820994 is an apocalyptic number.

2820994 is a deficient number, since it is larger than the sum of its proper divisors (1830548).

2820994 is a wasteful number, since it uses less digits than its factorization.

2820994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11681 (or 11670 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2820994 is about 1679.5814954923. The cubic root of 2820994 is about 141.2973621423.

The spelling of 2820994 in words is "two million, eight hundred twenty thousand, nine hundred ninety-four".