2801804 has 12 divisors (see below), whose sum is σ = 5191704. Its totient is φ = 1318464.

The previous prime is 2801803. The next prime is 2801819. The reversal of 2801804 is 4081082.

It is a self number, because there is not a number n which added to its sum of digits gives 2801804.

It is not an unprimeable number, because it can be changed into a prime (2801801) 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, 20534 + ... + 20669.

It is an arithmetic number, because the mean of its divisors is an integer number (432642).

2^2801804 is an apocalyptic number.

It is an amenable number.

2801804 is a deficient number, since it is larger than the sum of its proper divisors (2389900).

2801804 is a wasteful number, since it uses less digits than its factorization.

2801804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41224 (or 41222 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2801804 is about 1673.8590143737. The cubic root of 2801804 is about 140.9762379688.

Adding to 2801804 its reverse (4081082), we get a palindrome (6882886).

The spelling of 2801804 in words is "two million, eight hundred one thousand, eight hundred four".