29320889 has 12 divisors (see below), whose sum is σ = 32036004. Its totient is φ = 26676384.

The previous prime is 29320867. The next prime is 29320897. The reversal of 29320889 is 98802392.

It can be written as a sum of positive squares in 2 ways, for example, as 18318400 + 11002489 = 4280^2 + 3317^2 .

It is not a de Polignac number, because 29320889 - 2¹⁶ = 29255353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29320789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148739 + ... + 148935.

It is an arithmetic number, because the mean of its divisors is an integer number (2669667).

Almost surely, 2^29320889 is an apocalyptic number.

It is an amenable number.

29320889 is a deficient number, since it is larger than the sum of its proper divisors (2715115).

29320889 is a wasteful number, since it uses less digits than its factorization.

29320889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 29320889 is about 5414.8766375606. The cubic root of 29320889 is about 308.3607154320.

The spelling of 29320889 in words is "twenty-nine million, three hundred twenty thousand, eight hundred eighty-nine".