29318128 has 40 divisors (see below), whose sum is σ = 65904512. Its totient is φ = 12374208.

The previous prime is 29318119. The next prime is 29318141. The reversal of 29318128 is 82181392.

It is a junction number, because it is equal to n+sod(n) for n = 29318093 and 29318102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5551 + ... + 9457.

Almost surely, 2^29318128 is an apocalyptic number.

29318128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29318128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32952256).

29318128 is an abundant number, since it is smaller than the sum of its proper divisors (36586384).

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

29318128 is a wasteful number, since it uses less digits than its factorization.

29318128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989 (or 3983 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 29318128 is about 5414.6216857690. The cubic root of 29318128 is about 308.3510362046.

The spelling of 29318128 in words is "twenty-nine million, three hundred eighteen thousand, one hundred twenty-eight".