30652928 has 80 divisors (see below), whose sum is σ = 67763520. Its totient is φ = 13787136.

The previous prime is 30652907. The next prime is 30652931. The reversal of 30652928 is 82925603.

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 7 ways as a sum of consecutive naturals, for example, 223676 + ... + 223812.

It is an arithmetic number, because the mean of its divisors is an integer number (847044).

Almost surely, 2^30652928 is an apocalyptic number.

30652928 is a gapful number since it is divisible by the number (38) 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 30652928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33881760).

30652928 is an abundant number, since it is smaller than the sum of its proper divisors (37110592).

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

30652928 is a wasteful number, since it uses less digits than its factorization.

30652928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 30652928 is about 5536.5086471530. The cubic root of 30652928 is about 312.9613129142.

The spelling of 30652928 in words is "thirty million, six hundred fifty-two thousand, nine hundred twenty-eight".