30382912 has 28 divisors (see below), whose sum is σ = 68905120. Its totient is φ = 13021056.

The previous prime is 30382907. The next prime is 30382949. The reversal of 30382912 is 21928303.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33462 + ... + 34357.

Almost surely, 2^30382912 is an apocalyptic number.

30382912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30382912 is an abundant number, since it is smaller than the sum of its proper divisors (38522208).

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

30382912 is an equidigital number, since it uses as much as digits as its factorization.

30382912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67838 (or 67828 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 30382912 is about 5512.0696657426. The cubic root of 30382912 is about 312.0396618437.

The spelling of 30382912 in words is "thirty million, three hundred eighty-two thousand, nine hundred twelve".