29289893 has 2 divisors, whose sum is σ = 29289894. Its totient is φ = 29289892.

The previous prime is 29289877. The next prime is 29289917. The reversal of 29289893 is 39898292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22118209 + 7171684 = 4703^2 + 2678^2 .

It is a cyclic number.

It is not a de Polignac number, because 29289893 - 2⁴ = 29289877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29289853) 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 as a sum of consecutive naturals, namely, 14644946 + 14644947.

It is an arithmetic number, because the mean of its divisors is an integer number (14644947).

Almost surely, 2^29289893 is an apocalyptic number.

It is an amenable number.

29289893 is a deficient number, since it is larger than the sum of its proper divisors (1).

29289893 is an equidigital number, since it uses as much as digits as its factorization.

29289893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 50.

The square root of 29289893 is about 5412.0137656883. The cubic root of 29289893 is about 308.2520179693.

It can be divided in two parts, 2928 and 9893, that added together give a palindrome (12821).

The spelling of 29289893 in words is "twenty-nine million, two hundred eighty-nine thousand, eight hundred ninety-three".