29109085 has 4 divisors (see below), whose sum is σ = 34930908. Its totient is φ = 23287264.

The previous prime is 29109079. The next prime is 29109107. The reversal of 29109085 is 58090192.

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 5963364 + 23145721 = 2442^2 + 4811^2 .

It is a cyclic number.

It is not a de Polignac number, because 29109085 - 2¹³ = 29100893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29109085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2910904 + ... + 2910913.

It is an arithmetic number, because the mean of its divisors is an integer number (8732727).

Almost surely, 2^29109085 is an apocalyptic number.

It is an amenable number.

29109085 is a deficient number, since it is larger than the sum of its proper divisors (5821823).

29109085 is an equidigital number, since it uses as much as digits as its factorization.

29109085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821822.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 29109085 is about 5395.2835884687. The cubic root of 29109085 is about 307.6164231856.

The spelling of 29109085 in words is "twenty-nine million, one hundred nine thousand, eighty-five".