28595004 has 12 divisors (see below), whose sum is σ = 66721704. Its totient is φ = 9531664.

The previous prime is 28594961. The next prime is 28595023. The reversal of 28595004 is 40059582.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 1191447 + ... + 1191470.

It is an arithmetic number, because the mean of its divisors is an integer number (5560142).

Almost surely, 2^28595004 is an apocalyptic number.

It is an amenable number.

28595004 is an abundant number, since it is smaller than the sum of its proper divisors (38126700).

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

28595004 is a wasteful number, since it uses less digits than its factorization.

28595004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382924 (or 2382922 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 28595004 is about 5347.4296629315. The cubic root of 28595004 is about 305.7947703277.

The spelling of 28595004 in words is "twenty-eight million, five hundred ninety-five thousand, four".