30488856 has 32 divisors (see below), whose sum is σ = 76688640. Its totient is φ = 10100768.

The previous prime is 30488813. The next prime is 30488879. The reversal of 30488856 is 65888403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205 + ... + 7811.

It is an arithmetic number, because the mean of its divisors is an integer number (2396520).

Almost surely, 2^30488856 is an apocalyptic number.

It is an amenable number.

30488856 is an abundant number, since it is smaller than the sum of its proper divisors (46199784).

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

30488856 is a wasteful number, since it uses less digits than its factorization.

30488856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7783 (or 7779 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 30488856 is about 5521.6714860629. The cubic root of 30488856 is about 312.4019310405.

The spelling of 30488856 in words is "thirty million, four hundred eighty-eight thousand, eight hundred fifty-six".