2866004 has 6 divisors (see below), whose sum is σ = 5015514. Its totient is φ = 1433000.

The previous prime is 2866001. The next prime is 2866033. The reversal of 2866004 is 4006682.

It can be written as a sum of positive squares in only one way, i.e., 2729104 + 136900 = 1652^2 + 370^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358247 + ... + 358254.

It is an arithmetic number, because the mean of its divisors is an integer number (835919).

2^2866004 is an apocalyptic number.

It is an amenable number.

2866004 is a deficient number, since it is larger than the sum of its proper divisors (2149510).

2866004 is a wasteful number, since it uses less digits than its factorization.

2866004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716505 (or 716503 counting only the distinct ones).

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

The square root of 2866004 is about 1692.9276416906. The cubic root of 2866004 is about 142.0448843101.

The spelling of 2866004 in words is "two million, eight hundred sixty-six thousand, four".