30832128 has 60 divisors (see below), whose sum is σ = 88996908. Its totient is φ = 10275840.

The previous prime is 30832111. The next prime is 30832147. The reversal of 30832128 is 82123803.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1263 + ... + 7953.

Almost surely, 2^30832128 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 30832128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44498454).

30832128 is an abundant number, since it is smaller than the sum of its proper divisors (58164780).

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

30832128 is an equidigital number, since it uses as much as digits as its factorization.

30832128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715 (or 6696 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 30832128 is about 5552.6685476445. The cubic root of 30832128 is about 313.5699957411.

The spelling of 30832128 in words is "thirty million, eight hundred thirty-two thousand, one hundred twenty-eight".