29140085 has 8 divisors (see below), whose sum is σ = 37658040. Its totient is φ = 21518784.

The previous prime is 29140081. The next prime is 29140087. The reversal of 29140085 is 58004192.

It can be written as a sum of positive squares in 4 ways, for example, as 4468996 + 24671089 = 2114^2 + 4967^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29140085 - 2² = 29140081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29140081) 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, 224090 + ... + 224219.

It is an arithmetic number, because the mean of its divisors is an integer number (4707255).

Almost surely, 2^29140085 is an apocalyptic number.

It is an amenable number.

29140085 is a deficient number, since it is larger than the sum of its proper divisors (8517955).

29140085 is a wasteful number, since it uses less digits than its factorization.

29140085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448327.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 29140085 is about 5398.1557035714. The cubic root of 29140085 is about 307.7255841334.

The spelling of 29140085 in words is "twenty-nine million, one hundred forty thousand, eighty-five".