828741 has 4 divisors (see below), whose sum is σ = 1104992. Its totient is φ = 552492.

The previous prime is 828731. The next prime is 828743. The reversal of 828741 is 147828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 828741 - 2⁶ = 828677 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 828699 and 828708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828743) 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, 138121 + ... + 138126.

It is an arithmetic number, because the mean of its divisors is an integer number (276248).

2⁸²⁸⁷⁴¹ is an apocalyptic number.

It is an amenable number.

828741 is a deficient number, since it is larger than the sum of its proper divisors (276251).

828741 is a wasteful number, since it uses less digits than its factorization.

828741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276250.

The product of its digits is 3584, while the sum is 30.

The square root of 828741 is about 910.3521296729. The cubic root of 828741 is about 93.9304223314.

The spelling of 828741 in words is "eight hundred twenty-eight thousand, seven hundred forty-one".