30916896 has 24 divisors (see below), whose sum is σ = 81157104. Its totient is φ = 10305600.

The previous prime is 30916891. The next prime is 30916903. The reversal of 30916896 is 69861903.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (30916891) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 160930 + ... + 161121.

It is an arithmetic number, because the mean of its divisors is an integer number (3381546).

Almost surely, 2^30916896 is an apocalyptic number.

It is an amenable number.

30916896 is an abundant number, since it is smaller than the sum of its proper divisors (50240208).

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

30916896 is a wasteful number, since it uses less digits than its factorization.

30916896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322064 (or 322056 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 30916896 is about 5560.2963949775. The cubic root of 30916896 is about 313.8571029511.

It can be divided in two parts, 309 and 16896, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 30916896 in words is "thirty million, nine hundred sixteen thousand, eight hundred ninety-six".