29669689 has 8 divisors (see below), whose sum is σ = 34153280. Its totient is φ = 25247376.

The previous prime is 29669687. The next prime is 29669741. The reversal of 29669689 is 98696692.

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

It is not a de Polignac number, because 29669689 - 2¹ = 29669687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29669687) 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, 14274 + ... + 16219.

It is an arithmetic number, because the mean of its divisors is an integer number (4269160).

Almost surely, 2^29669689 is an apocalyptic number.

It is an amenable number.

29669689 is a deficient number, since it is larger than the sum of its proper divisors (4483591).

29669689 is a wasteful number, since it uses less digits than its factorization.

29669689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30639.

The product of its digits is 2519424, while the sum is 55.

The square root of 29669689 is about 5446.9889847511. The cubic root of 29669689 is about 309.5786471184.

The spelling of 29669689 in words is "twenty-nine million, six hundred sixty-nine thousand, six hundred eighty-nine".