28589052 has 24 divisors (see below), whose sum is σ = 66797136. Its totient is φ = 9516928.

The previous prime is 28589039. The next prime is 28589081. The reversal of 28589052 is 25098582.

It is a self number, because there is not a number n which added to its sum of digits gives 28589052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13318 + ... + 15314.

It is an arithmetic number, because the mean of its divisors is an integer number (2783214).

Almost surely, 2^28589052 is an apocalyptic number.

It is an amenable number.

28589052 is an abundant number, since it is smaller than the sum of its proper divisors (38208084).

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

28589052 is a wasteful number, since it uses less digits than its factorization.

28589052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197 (or 3195 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 28589052 is about 5346.8731049091. The cubic root of 28589052 is about 305.7735519734.

The spelling of 28589052 in words is "twenty-eight million, five hundred eighty-nine thousand, fifty-two".