828350685 has 16 divisors (see below), whose sum is σ = 1472623680. Its totient is φ = 441786960.

The previous prime is 828350669. The next prime is 828350689. The reversal of 828350685 is 586053828.

It is a happy number.

It is not a de Polignac number, because 828350685 - 2⁴ = 828350669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 828350685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828350689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3067831 + ... + 3068100.

It is an arithmetic number, because the mean of its divisors is an integer number (92038980).

Almost surely, 2^828350685 is an apocalyptic number.

It is an amenable number.

828350685 is a deficient number, since it is larger than the sum of its proper divisors (644272995).

828350685 is a wasteful number, since it uses less digits than its factorization.

828350685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135945 (or 6135939 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 828350685 is about 28781.0820679140. The cubic root of 828350685 is about 939.1567377102.

The spelling of 828350685 in words is "eight hundred twenty-eight million, three hundred fifty thousand, six hundred eighty-five".