30898 has 8 divisors (see below), whose sum is σ = 52992. Its totient is φ = 13236.

The previous prime is 30893. The next prime is 30911. The reversal of 30898 is 89803.

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

It is not an unprimeable number, because it can be changed into a prime (30893) by changing a digit.

30898 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090 + ... + 1117.

It is an arithmetic number, because the mean of its divisors is an integer number (6624).

2³⁰⁸⁹⁸ is an apocalyptic number.

30898 is a deficient number, since it is larger than the sum of its proper divisors (22094).

30898 is a wasteful number, since it uses less digits than its factorization.

30898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 30898 is about 175.7782694192. The cubic root of 30898 is about 31.3793148143.

It can be divided in two parts, 308 and 98, that added together give a triangular number (406 = T₂₈).

The spelling of 30898 in words is "thirty thousand, eight hundred ninety-eight".