30049 has 4 divisors (see below), whose sum is σ = 30400. Its totient is φ = 29700.

The previous prime is 30047. The next prime is 30059. The reversal of 30049 is 94003.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30049 - 2¹ = 30047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30047) 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, 52 + ... + 250.

It is an arithmetic number, because the mean of its divisors is an integer number (7600).

2³⁰⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

30049 is a deficient number, since it is larger than the sum of its proper divisors (351).

30049 is a wasteful number, since it uses less digits than its factorization.

30049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 30049 is about 173.3464738609. The cubic root of 30049 is about 31.0892330122.

The spelling of 30049 in words is "thirty thousand, forty-nine".