30986488 has 64 divisors (see below), whose sum is σ = 65973600. Its totient is φ = 13628160.

The previous prime is 30986479. The next prime is 30986491. The reversal of 30986488 is 88468903.

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, 720595 + ... + 720637.

Almost surely, 2^30986488 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 30986488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32986800).

30986488 is an abundant number, since it is smaller than the sum of its proper divisors (34987112).

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

30986488 is a wasteful number, since it uses less digits than its factorization.

30986488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 30986488 is about 5566.5508171578. The cubic root of 30986488 is about 314.0924173855.

The spelling of 30986488 in words is "thirty million, nine hundred eighty-six thousand, four hundred eighty-eight".