2812404 has 36 divisors (see below), whose sum is σ = 7635264. Its totient is φ = 803376.

The previous prime is 2812393. The next prime is 2812421. The reversal of 2812404 is 4042182.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1804 + ... + 2979.

2^2812404 is an apocalyptic number.

It is an amenable number.

2812404 is an abundant number, since it is smaller than the sum of its proper divisors (4822860).

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

2812404 is a wasteful number, since it uses less digits than its factorization.

2812404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804 (or 4795 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2812404 is about 1677.0223612105. The cubic root of 2812404 is about 141.1537982791.

Adding to 2812404 its reverse (4042182), we get a palindrome (6854586).

The spelling of 2812404 in words is "two million, eight hundred twelve thousand, four hundred four".