28835868 has 24 divisors (see below), whose sum is σ = 67430160. Its totient is φ = 9591040.

The previous prime is 28835867. The next prime is 28835879. The reversal of 28835868 is 86853882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28835861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3748 + ... + 8468.

It is an arithmetic number, because the mean of its divisors is an integer number (2809590).

Almost surely, 2^28835868 is an apocalyptic number.

It is an amenable number.

28835868 is an abundant number, since it is smaller than the sum of its proper divisors (38594292).

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

28835868 is a wasteful number, since it uses less digits than its factorization.

28835868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237 (or 5235 counting only the distinct ones).

The product of its digits is 737280, while the sum is 48.

The square root of 28835868 is about 5369.9039097548. The cubic root of 28835868 is about 306.6509701061.

The spelling of 28835868 in words is "twenty-eight million, eight hundred thirty-five thousand, eight hundred sixty-eight".