29251089 has 36 divisors (see below), whose sum is σ = 51751440. Its totient is φ = 15830640.

The previous prime is 29251087. The next prime is 29251099. The reversal of 29251089 is 98015292.

It is not a de Polignac number, because 29251089 - 2¹ = 29251087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29251087) 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 35 ways as a sum of consecutive naturals, for example, 6634 + ... + 10124.

It is an arithmetic number, because the mean of its divisors is an integer number (1437540).

Almost surely, 2^29251089 is an apocalyptic number.

It is an amenable number.

29251089 is a deficient number, since it is larger than the sum of its proper divisors (22500351).

29251089 is a wasteful number, since it uses less digits than its factorization.

29251089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530 (or 3520 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 29251089 is about 5408.4275903445. The cubic root of 29251089 is about 308.1158310890.

The spelling of 29251089 in words is "twenty-nine million, two hundred fifty-one thousand, eighty-nine".