29829138 has 16 divisors (see below), whose sum is σ = 60250176. Its totient is φ = 9844400.

The previous prime is 29829131. The next prime is 29829157. The reversal of 29829138 is 83192892.

It is a self number, because there is not a number n which added to its sum of digits gives 29829138.

It is not an unprimeable number, because it can be changed into a prime (29829131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24006 + ... + 25217.

It is an arithmetic number, because the mean of its divisors is an integer number (3765636).

Almost surely, 2^29829138 is an apocalyptic number.

29829138 is an abundant number, since it is smaller than the sum of its proper divisors (30421038).

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

29829138 is a wasteful number, since it uses less digits than its factorization.

29829138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49329.

The product of its digits is 62208, while the sum is 42.

The square root of 29829138 is about 5461.6058078188. The cubic root of 29829138 is about 310.1322294034.

The spelling of 29829138 in words is "twenty-nine million, eight hundred twenty-nine thousand, one hundred thirty-eight".