29281268 has 6 divisors (see below), whose sum is σ = 51242226. Its totient is φ = 14640632.

The previous prime is 29281229. The next prime is 29281289. The reversal of 29281268 is 86218292.

It can be written as a sum of positive squares in only one way, i.e., 20448484 + 8832784 = 4522^2 + 2972^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3660155 + ... + 3660162.

It is an arithmetic number, because the mean of its divisors is an integer number (8540371).

Almost surely, 2^29281268 is an apocalyptic number.

It is an amenable number.

29281268 is a deficient number, since it is larger than the sum of its proper divisors (21960958).

29281268 is a wasteful number, since it uses less digits than its factorization.

29281268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320321 (or 7320319 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 29281268 is about 5411.2168686904. The cubic root of 29281268 is about 308.2217579901.

The spelling of 29281268 in words is "twenty-nine million, two hundred eighty-one thousand, two hundred sixty-eight".