828396143 has 8 divisors (see below), whose sum is σ = 880464000. Its totient is φ = 777175128.

The previous prime is 828396139. The next prime is 828396157. The reversal of 828396143 is 341693828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 828396143 - 2² = 828396139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 828396094 and 828396103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828396113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209693 + ... + 213606.

It is an arithmetic number, because the mean of its divisors is an integer number (110058000).

Almost surely, 2^828396143 is an apocalyptic number.

828396143 is a deficient number, since it is larger than the sum of its proper divisors (52067857).

828396143 is a wasteful number, since it uses less digits than its factorization.

828396143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423421.

The product of its digits is 248832, while the sum is 44.

The square root of 828396143 is about 28781.8717772142. The cubic root of 828396143 is about 939.1739169906.

The spelling of 828396143 in words is "eight hundred twenty-eight million, three hundred ninety-six thousand, one hundred forty-three".