29239028 has 72 divisors (see below), whose sum is σ = 65423232. Its totient is φ = 11187072.

The previous prime is 29239009. The next prime is 29239039. The reversal of 29239028 is 82093292.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175001 + ... + 175167.

It is an arithmetic number, because the mean of its divisors is an integer number (908656).

Almost surely, 2^29239028 is an apocalyptic number.

29239028 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 29239028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32711616).

29239028 is an abundant number, since it is smaller than the sum of its proper divisors (36184204).

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

29239028 is a wasteful number, since it uses less digits than its factorization.

29239028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 29239028 is about 5407.3124562947. The cubic root of 29239028 is about 308.0734771569.

The spelling of 29239028 in words is "twenty-nine million, two hundred thirty-nine thousand, twenty-eight".