828367933 has 4 divisors (see below), whose sum is σ = 829260540. Its totient is φ = 827475328.

The previous prime is 828367873. The next prime is 828367937. The reversal of 828367933 is 339763828.

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

It can be written as a sum of positive squares in 2 ways, for example, as 349764804 + 478603129 = 18702^2 + 21877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828367933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828367937) 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, 444910 + ... + 446767.

It is an arithmetic number, because the mean of its divisors is an integer number (207315135).

Almost surely, 2^828367933 is an apocalyptic number.

It is an amenable number.

828367933 is a deficient number, since it is larger than the sum of its proper divisors (892607).

828367933 is an equidigital number, since it uses as much as digits as its factorization.

828367933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892606.

The product of its digits is 1306368, while the sum is 49.

The square root of 828367933 is about 28781.3817076248. The cubic root of 828367933 is about 939.1632560698.

The spelling of 828367933 in words is "eight hundred twenty-eight million, three hundred sixty-seven thousand, nine hundred thirty-three".