2606504 has 8 divisors (see below), whose sum is σ = 4887210.
Its totient is φ = 1303248.
The previous prime is 2606503. The next prime is 2606509. The reversal of 2606504 is 4056062.
2606504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 2553604 + 52900 = 1598^2 + 230^2
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 2606504.
It is not an unprimeable number, because it can be changed into a prime (2606503) by changing a digit.
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 as a sum of consecutive naturals, namely, 162899 + ... + 162914.
22606504 is an apocalyptic number.
It is an amenable number.
2606504 is a deficient number, since it is larger than the sum of its proper divisors (2280706).
2606504 is a wasteful number, since it uses less digits than its factorization.
2606504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 325819 (or 325815 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 2606504 is about 1614.4670947406.
The cubic root of 2606504 is about 137.6214508202.
The spelling of 2606504 in words is "two million, six hundred six thousand, five hundred four".