29906385 has 8 divisors (see below), whose sum is σ = 47850240. Its totient is φ = 15950064.

The previous prime is 29906369. The next prime is 29906389. The reversal of 29906385 is 58360992.

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

It is not a de Polignac number, because 29906385 - 2⁴ = 29906369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29906389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996865 + ... + 996894.

It is an arithmetic number, because the mean of its divisors is an integer number (5981280).

Almost surely, 2^29906385 is an apocalyptic number.

It is an amenable number.

29906385 is a deficient number, since it is larger than the sum of its proper divisors (17943855).

29906385 is a wasteful number, since it uses less digits than its factorization.

29906385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993767.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 29906385 is about 5468.6730566016. The cubic root of 29906385 is about 310.3997098575.

The spelling of 29906385 in words is "twenty-nine million, nine hundred six thousand, three hundred eighty-five".