28625576 has 16 divisors (see below), whose sum is σ = 61340640. Its totient is φ = 12268080.

The previous prime is 28625557. The next prime is 28625579. The reversal of 28625576 is 67552682.

It is not an unprimeable number, because it can be changed into a prime (28625579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255530 + ... + 255641.

It is an arithmetic number, because the mean of its divisors is an integer number (3833790).

Almost surely, 2^28625576 is an apocalyptic number.

It is an amenable number.

28625576 is an abundant number, since it is smaller than the sum of its proper divisors (32715064).

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

28625576 is a wasteful number, since it uses less digits than its factorization.

28625576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511184 (or 511180 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 28625576 is about 5350.2874689123. The cubic root of 28625576 is about 305.9037104301.

The spelling of 28625576 in words is "twenty-eight million, six hundred twenty-five thousand, five hundred seventy-six".