29988612 has 72 divisors (see below), whose sum is σ = 84520800. Its totient is φ = 8909568.

The previous prime is 29988599. The next prime is 29988613. The reversal of 29988612 is 21688992.

29988612 is a `hidden beast` number, since 29 + 9 + 8 + 8 + 612 = 666.

It is not an unprimeable number, because it can be changed into a prime (29988613) 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 23 ways as a sum of consecutive naturals, for example, 10339 + ... + 12917.

It is an arithmetic number, because the mean of its divisors is an integer number (1173900).

Almost surely, 2^29988612 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 29988612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42260400).

29988612 is an abundant number, since it is smaller than the sum of its proper divisors (54532188).

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

29988612 is a wasteful number, since it uses less digits than its factorization.

29988612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625 (or 2620 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 29988612 is about 5476.1858989629. The cubic root of 29988612 is about 310.6839287708.

It can be divided in two parts, 29988 and 612, that multiplied together give a square (18352656 = 4284²).

The spelling of 29988612 in words is "twenty-nine million, nine hundred eighty-eight thousand, six hundred twelve".