29066689 has 4 divisors (see below), whose sum is σ = 29354580. Its totient is φ = 28778800.

The previous prime is 29066659. The next prime is 29066693. The reversal of 29066689 is 98666092.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27217089 + 1849600 = 5217^2 + 1360^2 .

It is a cyclic number.

It is not a de Polignac number, because 29066689 - 2¹⁹ = 28542401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29066659) 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 3 ways as a sum of consecutive naturals, for example, 143794 + ... + 143995.

It is an arithmetic number, because the mean of its divisors is an integer number (7338645).

Almost surely, 2^29066689 is an apocalyptic number.

It is an amenable number.

29066689 is a deficient number, since it is larger than the sum of its proper divisors (287891).

29066689 is a wasteful number, since it uses less digits than its factorization.

29066689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287890.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 29066689 is about 5391.3531696597. The cubic root of 29066689 is about 307.4670077191.

The spelling of 29066689 in words is "twenty-nine million, sixty-six thousand, six hundred eighty-nine".