30879 has 12 divisors (see below), whose sum is σ = 46176. Its totient is φ = 19872.

The previous prime is 30871. The next prime is 30881. The reversal of 30879 is 97803.

It is a happy number.

It is not a de Polignac number, because 30879 - 2³ = 30871 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387 + ... + 459.

It is an arithmetic number, because the mean of its divisors is an integer number (3848).

2³⁰⁸⁷⁹ is an apocalyptic number.

30879 is a deficient number, since it is larger than the sum of its proper divisors (15297).

30879 is a wasteful number, since it uses less digits than its factorization.

30879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 30879 is about 175.7242157473. The cubic root of 30879 is about 31.3728815043.

It can be divided in two parts, 30 and 879, that added together give a palindrome (909).

The spelling of 30879 in words is "thirty thousand, eight hundred seventy-nine".