29963868 has 48 divisors (see below), whose sum is σ = 77728896. Its totient is φ = 8906560.

The previous prime is 29963867. The next prime is 29963891. The reversal of 29963868 is 86836992.

It is a self number, because there is not a number n which added to its sum of digits gives 29963868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29963861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4855 + ... + 9137.

It is an arithmetic number, because the mean of its divisors is an integer number (1619352).

Almost surely, 2^29963868 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 29963868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38864448).

29963868 is an abundant number, since it is smaller than the sum of its proper divisors (47765028).

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

29963868 is a wasteful number, since it uses less digits than its factorization.

29963868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354 (or 4352 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 29963868 is about 5473.9261960680. The cubic root of 29963868 is about 310.5984554532.

The spelling of 29963868 in words is "twenty-nine million, nine hundred sixty-three thousand, eight hundred sixty-eight".