29039289 has 8 divisors (see below), whose sum is σ = 38744160. Its totient is φ = 19346976.

The previous prime is 29039287. The next prime is 29039299. The reversal of 29039289 is 98293092.

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

It is not a de Polignac number, because 29039289 - 2¹ = 29039287 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 29039289.

It is not an unprimeable number, because it can be changed into a prime (29039287) 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, 6414 + ... + 9960.

It is an arithmetic number, because the mean of its divisors is an integer number (4843020).

Almost surely, 2^29039289 is an apocalyptic number.

It is an amenable number.

29039289 is a deficient number, since it is larger than the sum of its proper divisors (9704871).

29039289 is a wasteful number, since it uses less digits than its factorization.

29039289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 29039289 is about 5388.8114645068. The cubic root of 29039289 is about 307.3703650803.

The spelling of 29039289 in words is "twenty-nine million, thirty-nine thousand, two hundred eighty-nine".