30688848 has 40 divisors (see below), whose sum is σ = 88089600. Its totient is φ = 10229472.

The previous prime is 30688843. The next prime is 30688849. The reversal of 30688848 is 84888603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30688843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35088 + ... + 35951.

It is an arithmetic number, because the mean of its divisors is an integer number (2202240).

Almost surely, 2^30688848 is an apocalyptic number.

It is an amenable number.

30688848 is an abundant number, since it is smaller than the sum of its proper divisors (57400752).

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

30688848 is a wasteful number, since it uses less digits than its factorization.

30688848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71056 (or 71044 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 30688848 is about 5539.7516189808. The cubic root of 30688848 is about 313.0835109431.

It can be divided in two parts, 306888 and 48, that added together give a triangular number (306936 = T₇₈₃).

The spelling of 30688848 in words is "thirty million, six hundred eighty-eight thousand, eight hundred forty-eight".