828635231 has 8 divisors (see below), whose sum is σ = 854446320. Its totient is φ = 803201152.

The previous prime is 828635221. The next prime is 828635257. The reversal of 828635231 is 132536828.

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 828635231 - 2¹⁰ = 828634207 is a prime.

It is a super-2 number, since 2×828635231² = 1373272692108846722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828635221) 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, 89786 + ... + 98583.

It is an arithmetic number, because the mean of its divisors is an integer number (106805790).

Almost surely, 2^828635231 is an apocalyptic number.

828635231 is a deficient number, since it is larger than the sum of its proper divisors (25811089).

828635231 is a wasteful number, since it uses less digits than its factorization.

828635231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188505.

The product of its digits is 69120, while the sum is 38.

The square root of 828635231 is about 28786.0249253001. The cubic root of 828635231 is about 939.2642616952.

The spelling of 828635231 in words is "eight hundred twenty-eight million, six hundred thirty-five thousand, two hundred thirty-one".