30448816 has 20 divisors (see below), whose sum is σ = 60367912. Its totient is φ = 14870016.

The previous prime is 30448813. The next prime is 30448841. The reversal of 30448816 is 61884403.

It is a super-3 number, since 3×30448816³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (30448813) 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, 21441 + ... + 22816.

Almost surely, 2^30448816 is an apocalyptic number.

It is an amenable number.

30448816 is a deficient number, since it is larger than the sum of its proper divisors (29919096).

30448816 is a wasteful number, since it uses less digits than its factorization.

30448816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44308 (or 44302 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 30448816 is about 5518.0445811900. The cubic root of 30448816 is about 312.2651154445.

The spelling of 30448816 in words is "thirty million, four hundred forty-eight thousand, eight hundred sixteen".