830057 has 4 divisors (see below), whose sum is σ = 833616. Its totient is φ = 826500.

The previous prime is 830051. The next prime is 830099. The reversal of 830057 is 750038.

830057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 750038 = 2 ⋅375019.

It is a cyclic number.

It is not a de Polignac number, because 830057 - 2⁴ = 830041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830051) 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, 1403 + ... + 1904.

It is an arithmetic number, because the mean of its divisors is an integer number (208404).

2⁸³⁰⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

830057 is a deficient number, since it is larger than the sum of its proper divisors (3559).

830057 is a wasteful number, since it uses less digits than its factorization.

830057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 830057 is about 911.0746401915. The cubic root of 830057 is about 93.9801150031.

The spelling of 830057 in words is "eight hundred thirty thousand, fifty-seven".