828097 has 4 divisors (see below), whose sum is σ = 850516. Its totient is φ = 805680.

The previous prime is 828071. The next prime is 828101. The reversal of 828097 is 790828.

It is a happy number.

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 633616 + 194481 = 796^2 + 441^2 .

It is a cyclic number.

It is not a de Polignac number, because 828097 - 2⁷ = 827969 is a prime.

It is a Duffinian number.

828097 is a lucky number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (828007) 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, 11154 + ... + 11227.

It is an arithmetic number, because the mean of its divisors is an integer number (212629).

2⁸²⁸⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

828097 is a deficient number, since it is larger than the sum of its proper divisors (22419).

828097 is a wasteful number, since it uses less digits than its factorization.

828097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22418.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 828097 is about 909.9983516469. The cubic root of 828097 is about 93.9060854687.

The spelling of 828097 in words is "eight hundred twenty-eight thousand, ninety-seven".