30828968 has 8 divisors (see below), whose sum is σ = 57804330. Its totient is φ = 15414480.

The previous prime is 30828953. The next prime is 30828971. The reversal of 30828968 is 86982803.

It can be written as a sum of positive squares in only one way, i.e., 16826404 + 14002564 = 4102^2 + 3742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1926803 + ... + 1926818.

Almost surely, 2^30828968 is an apocalyptic number.

It is an amenable number.

30828968 is a deficient number, since it is larger than the sum of its proper divisors (26975362).

30828968 is a wasteful number, since it uses less digits than its factorization.

30828968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853627 (or 3853623 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 30828968 is about 5552.3839924847. The cubic root of 30828968 is about 313.5592827272.

The spelling of 30828968 in words is "thirty million, eight hundred twenty-eight thousand, nine hundred sixty-eight".