830403 has 24 divisors (see below), whose sum is σ = 1404000. Its totient is φ = 472752.

The previous prime is 830387. The next prime is 830411. The reversal of 830403 is 304038.

It is not a de Polignac number, because 830403 - 2⁴ = 830387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (830413) 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 23 ways as a sum of consecutive naturals, for example, 2953 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (58500).

2⁸³⁰⁴⁰³ is an apocalyptic number.

830403 is a deficient number, since it is larger than the sum of its proper divisors (573597).

830403 is a wasteful number, since it uses less digits than its factorization.

830403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 830403 is about 911.2645060574. The cubic root of 830403 is about 93.9931713766.

The spelling of 830403 in words is "eight hundred thirty thousand, four hundred three".