2813404 has 24 divisors (see below), whose sum is σ = 5499648. Its totient is φ = 1248240.

The previous prime is 2813401. The next prime is 2813411. The reversal of 2813404 is 4043182.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149 + ... + 2635.

It is an arithmetic number, because the mean of its divisors is an integer number (229152).

2^2813404 is an apocalyptic number.

It is an amenable number.

2813404 is a deficient number, since it is larger than the sum of its proper divisors (2686244).

2813404 is a wasteful number, since it uses less digits than its factorization.

2813404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1543 counting only the distinct ones).

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

The square root of 2813404 is about 1677.3204821977. The cubic root of 2813404 is about 141.1705262067.

Adding to 2813404 its reverse (4043182), we get a palindrome (6856586).

The spelling of 2813404 in words is "two million, eight hundred thirteen thousand, four hundred four".