2066804 has 6 divisors (see below), whose sum is σ = 3616914. Its totient is φ = 1033400.

The previous prime is 2066797. The next prime is 2066833. The reversal of 2066804 is 4086602.

It can be written as a sum of positive squares in only one way, i.e., 2044900 + 21904 = 1430^2 + 148^2 .

It is a super-3 number, since 3×2066804³ = 26486168333034259392, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258347 + ... + 258354.

It is an arithmetic number, because the mean of its divisors is an integer number (602819).

2^2066804 is an apocalyptic number.

It is an amenable number.

2066804 is a deficient number, since it is larger than the sum of its proper divisors (1550110).

2066804 is a wasteful number, since it uses less digits than its factorization.

2066804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516705 (or 516703 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2066804 is about 1437.6383411693. The cubic root of 2066804 is about 127.3795658864.

The spelling of 2066804 in words is "two million, sixty-six thousand, eight hundred four".