2813004 has 18 divisors (see below), whose sum is σ = 7110740. Its totient is φ = 937656.

The previous prime is 2812993. The next prime is 2813011. The reversal of 2813004 is 4003182.

It is a happy number.

2813004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39034 + ... + 39105.

2^2813004 is an apocalyptic number.

It is an amenable number.

2813004 is an abundant number, since it is smaller than the sum of its proper divisors (4297736).

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

2813004 is a wasteful number, since it uses less digits than its factorization.

2813004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78149 (or 78144 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2813004 is about 1677.2012401617. The cubic root of 2813004 is about 141.1638355114.

Adding to 2813004 its reverse (4003182), we get a palindrome (6816186).

The spelling of 2813004 in words is "two million, eight hundred thirteen thousand, four".