29900 has 36 divisors (see below), whose sum is σ = 72912. Its totient is φ = 10560.

The previous prime is 29881. The next prime is 29917. The reversal of 29900 is 992.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1289 + ... + 1311.

2²⁹⁹⁰⁰ is an apocalyptic number.

29900 is a gapful number since it is divisible by the number (20) 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 29900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36456).

29900 is an abundant number, since it is smaller than the sum of its proper divisors (43012).

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

29900 is a wasteful number, since it uses less digits than its factorization.

29900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 29900 is about 172.9161646579. The cubic root of 29900 is about 31.0377618218.

It can be divided in two parts, 29 and 900, that added together give a palindrome (929).

The spelling of 29900 in words is "twenty-nine thousand, nine hundred".