30888500 has 48 divisors (see below), whose sum is σ = 68053440. Its totient is φ = 12247200.

The previous prime is 30888499. The next prime is 30888511. The reversal of 30888500 is 588803.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 81311 + ... + 81689.

It is an arithmetic number, because the mean of its divisors is an integer number (1417780).

Almost surely, 2^30888500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30888500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34026720).

30888500 is an abundant number, since it is smaller than the sum of its proper divisors (37164940).

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

30888500 is a wasteful number, since it uses less digits than its factorization.

30888500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 30888500 is about 5557.7423473925. The cubic root of 30888500 is about 313.7609848908.

The spelling of 30888500 in words is "thirty million, eight hundred eighty-eight thousand, five hundred".