2840504 has 8 divisors (see below), whose sum is σ = 5325960. Its totient is φ = 1420248.

The previous prime is 2840483. The next prime is 2840507. The reversal of 2840504 is 4050482.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2840504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840507) by changing a digit.

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 as a sum of consecutive naturals, namely, 177524 + ... + 177539.

It is an arithmetic number, because the mean of its divisors is an integer number (665745).

2^2840504 is an apocalyptic number.

It is an amenable number.

2840504 is a deficient number, since it is larger than the sum of its proper divisors (2485456).

2840504 is a wasteful number, since it uses less digits than its factorization.

2840504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355069 (or 355065 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2840504 is about 1685.3794824905. The cubic root of 2840504 is about 141.6223516909.

Adding to 2840504 its reverse (4050482), we get a palindrome (6890986).

The spelling of 2840504 in words is "two million, eight hundred forty thousand, five hundred four".