29328143 has 8 divisors (see below), whose sum is σ = 31630368. Its totient is φ = 27032544.

The previous prime is 29328137. The next prime is 29328181. The reversal of 29328143 is 34182392.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29328143 - 2⁴ = 29328127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29328643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11405 + ... + 13737.

It is an arithmetic number, because the mean of its divisors is an integer number (3953796).

Almost surely, 2^29328143 is an apocalyptic number.

29328143 is a deficient number, since it is larger than the sum of its proper divisors (2302225).

29328143 is a wasteful number, since it uses less digits than its factorization.

29328143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313.

The product of its digits is 10368, while the sum is 32.

The square root of 29328143 is about 5415.5464174910. The cubic root of 29328143 is about 308.3861428578.

The spelling of 29328143 in words is "twenty-nine million, three hundred twenty-eight thousand, one hundred forty-three".