30398112 has 96 divisors (see below), whose sum is σ = 89631360. Its totient is φ = 10022400.

The previous prime is 30398099. The next prime is 30398113. The reversal of 30398112 is 21189303.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30398113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130348 + ... + 130580.

It is an arithmetic number, because the mean of its divisors is an integer number (933660).

Almost surely, 2^30398112 is an apocalyptic number.

30398112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30398112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44815680).

30398112 is an abundant number, since it is smaller than the sum of its proper divisors (59233248).

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

30398112 is a wasteful number, since it uses less digits than its factorization.

30398112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 30398112 is about 5513.4482857827. The cubic root of 30398112 is about 312.0916890286.

The spelling of 30398112 in words is "thirty million, three hundred ninety-eight thousand, one hundred twelve".