29905085 has 8 divisors (see below), whose sum is σ = 41012736. Its totient is φ = 20506320.

The previous prime is 29905039. The next prime is 29905087. The reversal of 29905085 is 58050992.

It is a happy number.

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

It is not a de Polignac number, because 29905085 - 2¹⁸ = 29642941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29905087) 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, 427181 + ... + 427250.

It is an arithmetic number, because the mean of its divisors is an integer number (5126592).

Almost surely, 2^29905085 is an apocalyptic number.

It is an amenable number.

29905085 is a deficient number, since it is larger than the sum of its proper divisors (11107651).

29905085 is an equidigital number, since it uses as much as digits as its factorization.

29905085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854443.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 29905085 is about 5468.5541964947. The cubic root of 29905085 is about 310.3952122063.

The spelling of 29905085 in words is "twenty-nine million, nine hundred five thousand, eighty-five".