29489864 has 32 divisors (see below), whose sum is σ = 58000320. Its totient is φ = 14030016.

The previous prime is 29489861. The next prime is 29489899. The reversal of 29489864 is 46898492.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (29489861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53639 + ... + 54185.

It is an arithmetic number, because the mean of its divisors is an integer number (1812510).

Almost surely, 2^29489864 is an apocalyptic number.

It is an amenable number.

29489864 is a deficient number, since it is larger than the sum of its proper divisors (28510456).

29489864 is a wasteful number, since it uses less digits than its factorization.

29489864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 865 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 29489864 is about 5430.4570710024. The cubic root of 29489864 is about 308.9519375888.

The spelling of 29489864 in words is "twenty-nine million, four hundred eighty-nine thousand, eight hundred sixty-four".