28966893 has 16 divisors (see below), whose sum is σ = 39934656. Its totient is φ = 18662400.

The previous prime is 28966891. The next prime is 28966909. The reversal of 28966893 is 39866982.

It is not a de Polignac number, because 28966893 - 2¹ = 28966891 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28966891) 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, 17293 + ... + 18893.

It is an arithmetic number, because the mean of its divisors is an integer number (2495916).

Almost surely, 2^28966893 is an apocalyptic number.

It is an amenable number.

28966893 is a deficient number, since it is larger than the sum of its proper divisors (10967763).

28966893 is a wasteful number, since it uses less digits than its factorization.

28966893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804.

The product of its digits is 1119744, while the sum is 51.

The square root of 28966893 is about 5382.0900215437. The cubic root of 28966893 is about 307.1147240347.

The spelling of 28966893 in words is "twenty-eight million, nine hundred sixty-six thousand, eight hundred ninety-three".