29542889 has 8 divisors (see below), whose sum is σ = 31871880. Its totient is φ = 27279616.

The previous prime is 29542861. The next prime is 29542901. The reversal of 29542889 is 98824592.

It can be written as a sum of positive squares in 4 ways, for example, as 10837264 + 18705625 = 3292^2 + 4325^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29542889 - 2⁸ = 29542633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29542859) 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 7 ways as a sum of consecutive naturals, for example, 15494 + ... + 17295.

It is an arithmetic number, because the mean of its divisors is an integer number (3983985).

Almost surely, 2^29542889 is an apocalyptic number.

It is an amenable number.

29542889 is a deficient number, since it is larger than the sum of its proper divisors (2328991).

29542889 is a wasteful number, since it uses less digits than its factorization.

29542889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32859.

The product of its digits is 414720, while the sum is 47.

The square root of 29542889 is about 5435.3370640651. The cubic root of 29542889 is about 309.1369996776.

The spelling of 29542889 in words is "twenty-nine million, five hundred forty-two thousand, eight hundred eighty-nine".