29008881 has 16 divisors (see below), whose sum is σ = 46883520. Its totient is φ = 17580960.

The previous prime is 29008873. The next prime is 29008891. The reversal of 29008881 is 18880092.

It is not a de Polignac number, because 29008881 - 2³ = 29008873 is a prime.

It is a super-2 number, since 2×29008881² = 1683030353744322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29008831) 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, 48540 + ... + 49133.

It is an arithmetic number, because the mean of its divisors is an integer number (2930220).

Almost surely, 2^29008881 is an apocalyptic number.

It is an amenable number.

29008881 is a deficient number, since it is larger than the sum of its proper divisors (17874639).

29008881 is a wasteful number, since it uses less digits than its factorization.

29008881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97693 (or 97687 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 29008881 is about 5385.9893241632. The cubic root of 29008881 is about 307.2630417191.

It can be divided in two parts, 2900 and 8881, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 29008881 in words is "twenty-nine million, eight thousand, eight hundred eighty-one".