830903 has 4 divisors (see below), whose sum is σ = 832728. Its totient is φ = 829080.

The previous prime is 830899. The next prime is 830911. The reversal of 830903 is 309038.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 830903 - 2² = 830899 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413 + ... + 1353.

It is an arithmetic number, because the mean of its divisors is an integer number (208182).

2⁸³⁰⁹⁰³ is an apocalyptic number.

830903 is a deficient number, since it is larger than the sum of its proper divisors (1825).

830903 is an equidigital number, since it uses as much as digits as its factorization.

830903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 830903 is about 911.5388088282. The cubic root of 830903 is about 94.0120325626.

The spelling of 830903 in words is "eight hundred thirty thousand, nine hundred three".