28964807 has 2 divisors, whose sum is σ = 28964808. Its totient is φ = 28964806.

The previous prime is 28964791. The next prime is 28964809. The reversal of 28964807 is 70846982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28964807 - 2⁴ = 28964791 is a prime.

Together with 28964809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28964809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14482403 + 14482404.

It is an arithmetic number, because the mean of its divisors is an integer number (14482404).

Almost surely, 2^28964807 is an apocalyptic number.

28964807 is a deficient number, since it is larger than the sum of its proper divisors (1).

28964807 is an equidigital number, since it uses as much as digits as its factorization.

28964807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 28964807 is about 5381.8962271675. The cubic root of 28964807 is about 307.1073517484.

The spelling of 28964807 in words is "twenty-eight million, nine hundred sixty-four thousand, eight hundred seven".