828099 has 12 divisors (see below), whose sum is σ = 1209312. Its totient is φ = 546000.

The previous prime is 828071. The next prime is 828101. The reversal of 828099 is 990828.

It is a Cunningham number, because it is equal to 910²-1.

It is not a de Polignac number, because 828099 - 2⁵ = 828067 is a prime.

It is an Ulam number.

It is a plaindrome in base 14 and base 15.

It is not an unprimeable number, because it can be changed into a prime (828029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454 + ... + 1364.

It is an arithmetic number, because the mean of its divisors is an integer number (100776).

2⁸²⁸⁰⁹⁹ is an apocalyptic number.

828099 is a deficient number, since it is larger than the sum of its proper divisors (381213).

828099 is a wasteful number, since it uses less digits than its factorization.

828099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 828099 is about 909.9994505493. Note that the first 3 decimals coincide. The cubic root of 828099 is about 93.9061610686.

The spelling of 828099 in words is "eight hundred twenty-eight thousand, ninety-nine".