828200389 has 4 divisors (see below), whose sum is σ = 832362400. Its totient is φ = 824038380.

The previous prime is 828200297. The next prime is 828200423. The reversal of 828200389 is 983002828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828200389 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 (828200089) 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, 2080707 + ... + 2081104.

It is an arithmetic number, because the mean of its divisors is an integer number (208090600).

Almost surely, 2^828200389 is an apocalyptic number.

It is an amenable number.

828200389 is a deficient number, since it is larger than the sum of its proper divisors (4162011).

828200389 is a wasteful number, since it uses less digits than its factorization.

828200389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162010.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 828200389 is about 28778.4709288037. The cubic root of 828200389 is about 939.0999340555.

The spelling of 828200389 in words is "eight hundred twenty-eight million, two hundred thousand, three hundred eighty-nine".