828743 has 2 divisors, whose sum is σ = 828744. Its totient is φ = 828742.

The previous prime is 828731. The next prime is 828757. The reversal of 828743 is 347828.

828743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 828743 - 2¹⁰ = 827719 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414371 + 414372.

It is an arithmetic number, because the mean of its divisors is an integer number (414372).

2⁸²⁸⁷⁴³ is an apocalyptic number.

828743 is a deficient number, since it is larger than the sum of its proper divisors (1).

828743 is an equidigital number, since it uses as much as digits as its factorization.

828743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 828743 is about 910.3532281483. The cubic root of 828743 is about 93.9304978921.

The spelling of 828743 in words is "eight hundred twenty-eight thousand, seven hundred forty-three".