29386138 has 8 divisors (see below), whose sum is σ = 44119188. Its totient is φ = 14679744.

The previous prime is 29386121. The next prime is 29386169. The reversal of 29386138 is 83168392.

It can be written as a sum of positive squares in 2 ways, for example, as 25130169 + 4255969 = 5013^2 + 2063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 29386138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3631 + ... + 8482.

Almost surely, 2^29386138 is an apocalyptic number.

29386138 is a deficient number, since it is larger than the sum of its proper divisors (14733050).

29386138 is a wasteful number, since it uses less digits than its factorization.

29386138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13328.

The product of its digits is 62208, while the sum is 40.

The square root of 29386138 is about 5420.8982650480. The cubic root of 29386138 is about 308.5892819664.

The spelling of 29386138 in words is "twenty-nine million, three hundred eighty-six thousand, one hundred thirty-eight".