28850836 has 24 divisors (see below), whose sum is σ = 61096896. Its totient is φ = 11637120.

The previous prime is 28850813. The next prime is 28850851. The reversal of 28850836 is 63805882.

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, 29830 + ... + 30781.

It is an arithmetic number, because the mean of its divisors is an integer number (2545704).

Almost surely, 2^28850836 is an apocalyptic number.

It is an amenable number.

28850836 is an abundant number, since it is smaller than the sum of its proper divisors (32246060).

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

28850836 is a wasteful number, since it uses less digits than its factorization.

28850836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60639 (or 60637 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 28850836 is about 5371.2974224111. The cubic root of 28850836 is about 306.7040192897.

The spelling of 28850836 in words is "twenty-eight million, eight hundred fifty thousand, eight hundred thirty-six".