29089147 has 4 divisors (see below), whose sum is σ = 29100600. Its totient is φ = 29077696.

The previous prime is 29089139. The next prime is 29089163. The reversal of 29089147 is 74198092.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 29089147 - 2³ = 29089139 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29089187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22 + ... + 7627.

It is an arithmetic number, because the mean of its divisors is an integer number (7275150).

Almost surely, 2^29089147 is an apocalyptic number.

29089147 is a deficient number, since it is larger than the sum of its proper divisors (11453).

29089147 is an equidigital number, since it uses as much as digits as its factorization.

29089147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11452.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 29089147 is about 5393.4355470331. The cubic root of 29089147 is about 307.5461741312.

The spelling of 29089147 in words is "twenty-nine million, eighty-nine thousand, one hundred forty-seven".