30982768 has 20 divisors (see below), whose sum is σ = 63189160. Its totient is φ = 14675904.

The previous prime is 30982751. The next prime is 30982811. The reversal of 30982768 is 86728903.

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 3 ways as a sum of consecutive naturals, for example, 50655 + ... + 51262.

It is an arithmetic number, because the mean of its divisors is an integer number (3159458).

Almost surely, 2^30982768 is an apocalyptic number.

30982768 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30982768 is an abundant number, since it is smaller than the sum of its proper divisors (32206392).

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

30982768 is a wasteful number, since it uses less digits than its factorization.

30982768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101944 (or 101938 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 30982768 is about 5566.2166684383. The cubic root of 30982768 is about 314.0798477072.

The spelling of 30982768 in words is "thirty million, nine hundred eighty-two thousand, seven hundred sixty-eight".