28585272 has 32 divisors (see below), whose sum is σ = 75225600. Its totient is φ = 9026784.

The previous prime is 28585261. The next prime is 28585303. The reversal of 28585272 is 27258582.

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 28585272.

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, 30888 + ... + 31799.

It is an arithmetic number, because the mean of its divisors is an integer number (2350800).

Almost surely, 2^28585272 is an apocalyptic number.

It is an amenable number.

28585272 is an abundant number, since it is smaller than the sum of its proper divisors (46640328).

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

28585272 is a wasteful number, since it uses less digits than its factorization.

28585272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62715 (or 62711 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 28585272 is about 5346.5196156004. The cubic root of 28585272 is about 305.7600750783.

The spelling of 28585272 in words is "twenty-eight million, five hundred eighty-five thousand, two hundred seventy-two".