28504083 has 16 divisors (see below), whose sum is σ = 38578176. Its totient is φ = 18719040.

The previous prime is 28504081. The next prime is 28504111. The reversal of 28504083 is 38040582.

It is not a de Polignac number, because 28504083 - 2¹ = 28504081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28504083.

It is not an unprimeable number, because it can be changed into a prime (28504081) 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, 91498 + ... + 91808.

It is an arithmetic number, because the mean of its divisors is an integer number (2411136).

Almost surely, 2^28504083 is an apocalyptic number.

28504083 is a deficient number, since it is larger than the sum of its proper divisors (10074093).

28504083 is a wasteful number, since it uses less digits than its factorization.

28504083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 28504083 is about 5338.9215203073. The cubic root of 28504083 is about 305.4703233691.

The spelling of 28504083 in words is "twenty-eight million, five hundred four thousand, eighty-three".