29171144 has 8 divisors (see below), whose sum is σ = 54695910. Its totient is φ = 14585568.

The previous prime is 29171141. The next prime is 29171159. The reversal of 29171144 is 44117192.

It can be written as a sum of positive squares in only one way, i.e., 15760900 + 13410244 = 3970^2 + 3662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (29171141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823189 + ... + 1823204.

Almost surely, 2^29171144 is an apocalyptic number.

It is an amenable number.

29171144 is a deficient number, since it is larger than the sum of its proper divisors (25524766).

29171144 is a wasteful number, since it uses less digits than its factorization.

29171144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646399 (or 3646395 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 29171144 is about 5401.0317532857. The cubic root of 29171144 is about 307.8348752268.

The spelling of 29171144 in words is "twenty-nine million, one hundred seventy-one thousand, one hundred forty-four".