30106816 has 56 divisors (see below), whose sum is σ = 63239904. Its totient is φ = 14192640.

The previous prime is 30106807. The next prime is 30106819. The reversal of 30106816 is 61860103.

It is not an unprimeable number, because it can be changed into a prime (30106819) 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 7 ways as a sum of consecutive naturals, for example, 166246 + ... + 166426.

It is an arithmetic number, because the mean of its divisors is an integer number (1129284).

Almost surely, 2^30106816 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 30106816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31619952).

30106816 is an abundant number, since it is smaller than the sum of its proper divisors (33133088).

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

30106816 is a wasteful number, since it uses less digits than its factorization.

30106816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 30106816 is about 5486.9678329657. The cubic root of 30106816 is about 311.0915939381.

Adding to 30106816 its reverse (61860103), we get a palindrome (91966919).

The spelling of 30106816 in words is "thirty million, one hundred six thousand, eight hundred sixteen".