29047985 has 16 divisors (see below), whose sum is σ = 37034496. Its totient is φ = 21796608.

The previous prime is 29047981. The next prime is 29047987. The reversal of 29047985 is 58974092.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 29047985 - 2² = 29047981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29047981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47552 + ... + 48158.

It is an arithmetic number, because the mean of its divisors is an integer number (2314656).

Almost surely, 2^29047985 is an apocalyptic number.

It is an amenable number.

29047985 is a deficient number, since it is larger than the sum of its proper divisors (7986511).

29047985 is a wasteful number, since it uses less digits than its factorization.

29047985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 29047985 is about 5389.6182610645. The cubic root of 29047985 is about 307.4010433559.

The spelling of 29047985 in words is "twenty-nine million, forty-seven thousand, nine hundred eighty-five".