830557 has 8 divisors (see below), whose sum is σ = 1022336. Its totient is φ = 657072.

The previous prime is 830551. The next prime is 830561. The reversal of 830557 is 755038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 830557 - 2³ = 830549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4473 + ... + 4654.

It is an arithmetic number, because the mean of its divisors is an integer number (127792).

2⁸³⁰⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

830557 is a deficient number, since it is larger than the sum of its proper divisors (191779).

830557 is a wasteful number, since it uses less digits than its factorization.

830557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9147.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 830557 is about 911.3490001092. The cubic root of 830557 is about 93.9989814285.

The spelling of 830557 in words is "eight hundred thirty thousand, five hundred fifty-seven".