28935807 has 16 divisors (see below), whose sum is σ = 39198720. Its totient is φ = 18984672.

The previous prime is 28935799. The next prime is 28935839. The reversal of 28935807 is 70853982.

It is not a de Polignac number, because 28935807 - 2³ = 28935799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28935847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65694 + ... + 66132.

It is an arithmetic number, because the mean of its divisors is an integer number (2449920).

Almost surely, 2^28935807 is an apocalyptic number.

28935807 is a deficient number, since it is larger than the sum of its proper divisors (10262913).

28935807 is a wasteful number, since it uses less digits than its factorization.

28935807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 28935807 is about 5379.2013347708. The cubic root of 28935807 is about 307.0048240249.

The spelling of 28935807 in words is "twenty-eight million, nine hundred thirty-five thousand, eight hundred seven".