29057289 has 24 divisors (see below), whose sum is σ = 41764320. Its totient is φ = 17919360.

The previous prime is 29057201. The next prime is 29057299. The reversal of 29057289 is 98275092.

It is not a de Polignac number, because 29057289 - 2⁸ = 29057033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29057289.

It is not an unprimeable number, because it can be changed into a prime (29057299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212029 + ... + 212165.

It is an arithmetic number, because the mean of its divisors is an integer number (1740180).

Almost surely, 2^29057289 is an apocalyptic number.

It is an amenable number.

29057289 is a deficient number, since it is larger than the sum of its proper divisors (12707031).

29057289 is a wasteful number, since it uses less digits than its factorization.

29057289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 29057289 is about 5390.4813328682. The cubic root of 29057289 is about 307.4338597917.

The spelling of 29057289 in words is "twenty-nine million, fifty-seven thousand, two hundred eighty-nine".