29438143 has 8 divisors (see below), whose sum is σ = 33684480. Its totient is φ = 25202040.

The previous prime is 29438131. The next prime is 29438153. The reversal of 29438143 is 34183492.

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 29438143 - 2⁵ = 29438111 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29438099 and 29438108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29438153) 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 7 ways as a sum of consecutive naturals, for example, 5178 + ... + 9256.

It is an arithmetic number, because the mean of its divisors is an integer number (4210560).

Almost surely, 2^29438143 is an apocalyptic number.

29438143 is a deficient number, since it is larger than the sum of its proper divisors (4246337).

29438143 is a wasteful number, since it uses less digits than its factorization.

29438143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117.

The product of its digits is 20736, while the sum is 34.

The square root of 29438143 is about 5425.6928589812. The cubic root of 29438143 is about 308.7712127350.

The spelling of 29438143 in words is "twenty-nine million, four hundred thirty-eight thousand, one hundred forty-three".