830081 has 4 divisors (see below), whose sum is σ = 948672. Its totient is φ = 711492.

The previous prime is 830051. The next prime is 830099. The reversal of 830081 is 180038.

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: 180038 = 2 ⋅90019.

It is a cyclic number.

It is not a de Polignac number, because 830081 - 2⁶ = 830017 is a prime.

It is a super-2 number, since 2×830081² = 1378068933122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (830041) 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, 59285 + ... + 59298.

It is an arithmetic number, because the mean of its divisors is an integer number (237168).

2⁸³⁰⁰⁸¹ is an apocalyptic number.

It is an amenable number.

830081 is a deficient number, since it is larger than the sum of its proper divisors (118591).

830081 is a wasteful number, since it uses less digits than its factorization.

830081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118590.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 830081 is about 911.0878113552. The cubic root of 830081 is about 93.9810207646.

The spelling of 830081 in words is "eight hundred thirty thousand, eighty-one".