28595418 has 16 divisors (see below), whose sum is σ = 60201120. Its totient is φ = 9030096.

The previous prime is 28595407. The next prime is 28595419. The reversal of 28595418 is 81459582.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28595418.

It is not an unprimeable number, because it can be changed into a prime (28595419) 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 in 7 ways as a sum of consecutive naturals, for example, 125305 + ... + 125532.

It is an arithmetic number, because the mean of its divisors is an integer number (3762570).

Almost surely, 2^28595418 is an apocalyptic number.

28595418 is an abundant number, since it is smaller than the sum of its proper divisors (31605702).

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

28595418 is a wasteful number, since it uses less digits than its factorization.

28595418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250861.

The product of its digits is 115200, while the sum is 42.

The square root of 28595418 is about 5347.4683729780. The cubic root of 28595418 is about 305.7962460916.

It can be divided in two parts, 285 and 95418, that added together give a triangular number (95703 = T₄₃₇).

The spelling of 28595418 in words is "twenty-eight million, five hundred ninety-five thousand, four hundred eighteen".