2820604 has 12 divisors (see below), whose sum is σ = 4950064. Its totient is φ = 1406304.

The previous prime is 2820563. The next prime is 2820619. The reversal of 2820604 is 4060282.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057 + ... + 2599.

2^2820604 is an apocalyptic number.

It is an amenable number.

2820604 is a deficient number, since it is larger than the sum of its proper divisors (2129460).

2820604 is a wasteful number, since it uses less digits than its factorization.

2820604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2820604 is about 1679.4653911290. The cubic root of 2820604 is about 141.2908504291.

Adding to 2820604 its reverse (4060282), we get a palindrome (6880886).

The spelling of 2820604 in words is "two million, eight hundred twenty thousand, six hundred four".