29105489 has 4 divisors (see below), whose sum is σ = 33263424. Its totient is φ = 24947556.

The previous prime is 29105471. The next prime is 29105501. The reversal of 29105489 is 98450192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29105489 - 2⁸ = 29105233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29105429) 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 3 ways as a sum of consecutive naturals, for example, 2078957 + ... + 2078970.

It is an arithmetic number, because the mean of its divisors is an integer number (8315856).

Almost surely, 2^29105489 is an apocalyptic number.

It is an amenable number.

29105489 is a deficient number, since it is larger than the sum of its proper divisors (4157935).

29105489 is an equidigital number, since it uses as much as digits as its factorization.

29105489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157934.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 29105489 is about 5394.9503241457. The cubic root of 29105489 is about 307.6037555000.

The spelling of 29105489 in words is "twenty-nine million, one hundred five thousand, four hundred eighty-nine".