29984889 has 48 divisors (see below), whose sum is σ = 48033216. Its totient is φ = 16558080.

The previous prime is 29984887. The next prime is 29984917. The reversal of 29984889 is 98848992.

It is not a de Polignac number, because 29984889 - 2¹ = 29984887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29984881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265297 + ... + 265409.

It is an arithmetic number, because the mean of its divisors is an integer number (1000692).

Almost surely, 2^29984889 is an apocalyptic number.

It is an amenable number.

29984889 is a deficient number, since it is larger than the sum of its proper divisors (18048327).

29984889 is a wasteful number, since it uses less digits than its factorization.

29984889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 187 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 57.

The square root of 29984889 is about 5475.8459620409. The cubic root of 29984889 is about 310.6710713997.

It can be divided in two parts, 2998 and 4889, that added together give a palindrome (7887).

The spelling of 29984889 in words is "twenty-nine million, nine hundred eighty-four thousand, eight hundred eighty-nine".