29147988 has 12 divisors (see below), whose sum is σ = 68012000. Its totient is φ = 9715992.

The previous prime is 29147959. The next prime is 29147999. The reversal of 29147988 is 88974192.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1214488 + ... + 1214511.

Almost surely, 2^29147988 is an apocalyptic number.

It is an amenable number.

29147988 is an abundant number, since it is smaller than the sum of its proper divisors (38864012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29147988 is a wasteful number, since it uses less digits than its factorization.

29147988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429006 (or 2429004 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 29147988 is about 5398.8876632136. The cubic root of 29147988 is about 307.7534007472.

It can be divided in two parts, 29147 and 988, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 29147988 in words is "twenty-nine million, one hundred forty-seven thousand, nine hundred eighty-eight".