29133216 has 96 divisors (see below), whose sum is σ = 97130880. Its totient is φ = 8322048.

The previous prime is 29133191. The next prime is 29133227. The reversal of 29133216 is 61233192.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 29133216.

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 15 ways as a sum of consecutive naturals, for example, 3640 + ... + 8456.

It is an arithmetic number, because the mean of its divisors is an integer number (1011780).

Almost surely, 2^29133216 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 29133216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48565440).

29133216 is an abundant number, since it is smaller than the sum of its proper divisors (67997664).

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

29133216 is a wasteful number, since it uses less digits than its factorization.

29133216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843 (or 4829 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 29133216 is about 5397.5194302568. The cubic root of 29133216 is about 307.7014028594.

The spelling of 29133216 in words is "twenty-nine million, one hundred thirty-three thousand, two hundred sixteen".