828343 has 4 divisors (see below), whose sum is σ = 871960. Its totient is φ = 784728.

The previous prime is 828277. The next prime is 828349. The reversal of 828343 is 343828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 828343 - 2¹⁷ = 697271 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828349) 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, 21780 + ... + 21817.

It is an arithmetic number, because the mean of its divisors is an integer number (217990).

2⁸²⁸³⁴³ is an apocalyptic number.

828343 is a deficient number, since it is larger than the sum of its proper divisors (43617).

828343 is a wasteful number, since it uses less digits than its factorization.

828343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43616.

The product of its digits is 4608, while the sum is 28.

The square root of 828343 is about 910.1335066901. The cubic root of 828343 is about 93.9153833368.

The spelling of 828343 in words is "eight hundred twenty-eight thousand, three hundred forty-three".