2821036 has 6 divisors (see below), whose sum is σ = 4936820. Its totient is φ = 1410516.

The previous prime is 2821009. The next prime is 2821057. The reversal of 2821036 is 6301282.

2821036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2821036² = 15916488226592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2820998 and 2821016.

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 as a sum of consecutive naturals, namely, 352626 + ... + 352633.

2^2821036 is an apocalyptic number.

It is an amenable number.

2821036 is a deficient number, since it is larger than the sum of its proper divisors (2115784).

2821036 is a wasteful number, since it uses less digits than its factorization.

2821036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705263 (or 705261 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2821036 is about 1679.5939985604. The cubic root of 2821036 is about 141.2980633679.

The spelling of 2821036 in words is "two million, eight hundred twenty-one thousand, thirty-six".