30098320 has 80 divisors (see below), whose sum is σ = 81209088. Its totient is φ = 10160640.

The previous prime is 30098297. The next prime is 30098339. The reversal of 30098320 is 2389003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39382 + ... + 40138.

Almost surely, 2^30098320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30098320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40604544).

30098320 is an abundant number, since it is smaller than the sum of its proper divisors (51110768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30098320 is a wasteful number, since it uses less digits than its factorization.

30098320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 30098320 is about 5486.1935802522. The cubic root of 30098320 is about 311.0623283300.

The spelling of 30098320 in words is "thirty million, ninety-eight thousand, three hundred twenty".