29289216 has 72 divisors (see below), whose sum is σ = 85063104. Its totient is φ = 8872960.

The previous prime is 29289209. The next prime is 29289257. The reversal of 29289216 is 61298292.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6715 + ... + 10181.

It is an arithmetic number, because the mean of its divisors is an integer number (1181432).

Almost surely, 2^29289216 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 29289216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42531552).

29289216 is an abundant number, since it is smaller than the sum of its proper divisors (55773888).

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

29289216 is a wasteful number, since it uses less digits than its factorization.

29289216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497 (or 3483 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 29289216 is about 5411.9512192924. The cubic root of 29289216 is about 308.2496429951.

The spelling of 29289216 in words is "twenty-nine million, two hundred eighty-nine thousand, two hundred sixteen".