29489889 has 32 divisors (see below), whose sum is σ = 47101824. Its totient is φ = 16174080.

The previous prime is 29489861. The next prime is 29489899. The reversal of 29489889 is 98898492.

It is not a de Polignac number, because 29489889 - 2⁵ = 29489857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29489809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22089 + ... + 23385.

It is an arithmetic number, because the mean of its divisors is an integer number (1471932).

Almost surely, 2^29489889 is an apocalyptic number.

It is an amenable number.

29489889 is a deficient number, since it is larger than the sum of its proper divisors (17611935).

29489889 is a wasteful number, since it uses less digits than its factorization.

29489889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377.

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

The square root of 29489889 is about 5430.4593728339. The cubic root of 29489889 is about 308.9520248933.

The spelling of 29489889 in words is "twenty-nine million, four hundred eighty-nine thousand, eight hundred eighty-nine".