30106912 has 24 divisors (see below), whose sum is σ = 64662192. Its totient is φ = 13684800.

The previous prime is 30106907. The next prime is 30106943. The reversal of 30106912 is 21960103.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 3 ways as a sum of consecutive naturals, for example, 42414 + ... + 43117.

It is an arithmetic number, because the mean of its divisors is an integer number (2694258).

Almost surely, 2^30106912 is an apocalyptic number.

30106912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30106912 is an abundant number, since it is smaller than the sum of its proper divisors (34555280).

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

30106912 is a wasteful number, since it uses less digits than its factorization.

30106912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85552 (or 85544 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 30106912 is about 5486.9765809597. The cubic root of 30106912 is about 311.0919245915.

The spelling of 30106912 in words is "thirty million, one hundred six thousand, nine hundred twelve".