28930883 has 4 divisors (see below), whose sum is σ = 29125200. Its totient is φ = 28736568.

The previous prime is 28930879. The next prime is 28930921. The reversal of 28930883 is 38803982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28930883 - 2² = 28930879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28930883.

It is not an unprimeable number, because it can be changed into a prime (28930813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96935 + ... + 97232.

It is an arithmetic number, because the mean of its divisors is an integer number (7281300).

Almost surely, 2^28930883 is an apocalyptic number.

28930883 is a deficient number, since it is larger than the sum of its proper divisors (194317).

28930883 is a wasteful number, since it uses less digits than its factorization.

28930883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194316.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 28930883 is about 5378.7436265358. The cubic root of 28930883 is about 306.9874087222.

The spelling of 28930883 in words is "twenty-eight million, nine hundred thirty thousand, eight hundred eighty-three".