30828664 has 8 divisors (see below), whose sum is σ = 57803760. Its totient is φ = 15414328.

The previous prime is 30828661. The next prime is 30828673. The reversal of 30828664 is 46682803.

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30828661) by changing a digit.

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, 1926784 + ... + 1926799.

It is an arithmetic number, because the mean of its divisors is an integer number (7225470).

Almost surely, 2^30828664 is an apocalyptic number.

It is an amenable number.

30828664 is a deficient number, since it is larger than the sum of its proper divisors (26975096).

30828664 is a wasteful number, since it uses less digits than its factorization.

30828664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853589 (or 3853585 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 30828664 is about 5552.3566167889. The cubic root of 30828664 is about 313.5582520696.

The spelling of 30828664 in words is "thirty million, eight hundred twenty-eight thousand, six hundred sixty-four".