30098 has 8 divisors (see below), whose sum is σ = 45900. Its totient is φ = 14800.

The previous prime is 30097. The next prime is 30103. The reversal of 30098 is 89003.

It can be written as a sum of positive squares in 2 ways, for example, as 29929 + 169 = 173^2 + 13^2 .

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 (30091) 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, 128 + ... + 276.

2³⁰⁰⁹⁸ is an apocalyptic number.

30098 is a deficient number, since it is larger than the sum of its proper divisors (15802).

30098 is a wasteful number, since it uses less digits than its factorization.

30098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 30098 is about 173.4877517290. The cubic root of 30098 is about 31.1061225940.

The spelling of 30098 in words is "thirty thousand, ninety-eight".