28858650 has 24 divisors (see below), whose sum is σ = 71569824. Its totient is φ = 7695600.

The previous prime is 28858607. The next prime is 28858651. The reversal of 28858650 is 5685882.

It is not an unprimeable number, because it can be changed into a prime (28858651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96046 + ... + 96345.

It is an arithmetic number, because the mean of its divisors is an integer number (2982076).

Almost surely, 2^28858650 is an apocalyptic number.

28858650 is an abundant number, since it is smaller than the sum of its proper divisors (42711174).

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

28858650 is a wasteful number, since it uses less digits than its factorization.

28858650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192406 (or 192401 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 28858650 is about 5372.0247579474. The cubic root of 28858650 is about 306.7317061694.

The spelling of 28858650 in words is "twenty-eight million, eight hundred fifty-eight thousand, six hundred fifty".