2820104 has 16 divisors (see below), whose sum is σ = 6043200. Its totient is φ = 1208592.

The previous prime is 2820089. The next prime is 2820109. The reversal of 2820104 is 4010282.

It is not an unprimeable number, because it can be changed into a prime (2820109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25124 + ... + 25235.

It is an arithmetic number, because the mean of its divisors is an integer number (377700).

2^2820104 is an apocalyptic number.

It is an amenable number.

2820104 is an abundant number, since it is smaller than the sum of its proper divisors (3223096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2820104 is a wasteful number, since it uses less digits than its factorization.

2820104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50372 (or 50368 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2820104 is about 1679.3165276386. The cubic root of 2820104 is about 141.2825012009.

Adding to 2820104 its reverse (4010282), we get a palindrome (6830386).

The spelling of 2820104 in words is "two million, eight hundred twenty thousand, one hundred four".