29000881 has 8 divisors (see below), whose sum is σ = 35693504. Its totient is φ = 22945680.

The previous prime is 29000879. The next prime is 29000891. The reversal of 29000881 is 18800092.

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 29000881 - 2¹ = 29000879 is a prime.

It is a super-2 number, since 2×29000881² = 1682102197552322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29000891) 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, 159255 + ... + 159436.

It is an arithmetic number, because the mean of its divisors is an integer number (4461688).

Almost surely, 2^29000881 is an apocalyptic number.

It is an amenable number.

29000881 is a deficient number, since it is larger than the sum of its proper divisors (6692623).

29000881 is a wasteful number, since it uses less digits than its factorization.

29000881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318711.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 29000881 is about 5385.2466053097. The cubic root of 29000881 is about 307.2347936993.

The spelling of 29000881 in words is "twenty-nine million, eight hundred eighty-one", and thus it is an aban number.