30830 has 8 divisors (see below), whose sum is σ = 55512. Its totient is φ = 12328.

The previous prime is 30829. The next prime is 30839. The reversal of 30830 is 3803.

It is a happy number.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 30830.

It is not an unprimeable number, because it can be changed into a prime (30839) 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, 1532 + ... + 1551.

It is an arithmetic number, because the mean of its divisors is an integer number (6939).

2³⁰⁸³⁰ is an apocalyptic number.

30830 is a deficient number, since it is larger than the sum of its proper divisors (24682).

30830 is a wasteful number, since it uses less digits than its factorization.

30830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30830 is about 175.5847373777. The cubic root of 30830 is about 31.3562781488.

The spelling of 30830 in words is "thirty thousand, eight hundred thirty".