29443986 has 160 divisors (see below), whose sum is σ = 81962496. Its totient is φ = 7776000.

The previous prime is 29443969. The next prime is 29444003. The reversal of 29443986 is 68934492.

It is an interprime number because it is at equal distance from previous prime (29443969) and next prime (29444003).

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 718126 + ... + 718166.

Almost surely, 2^29443986 is an apocalyptic number.

29443986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 29443986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40981248).

29443986 is an abundant number, since it is smaller than the sum of its proper divisors (52518510).

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

29443986 is a wasteful number, since it uses less digits than its factorization.

29443986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 101 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 29443986 is about 5426.2312888413. The cubic root of 29443986 is about 308.7916400974.

The spelling of 29443986 in words is "twenty-nine million, four hundred forty-three thousand, nine hundred eighty-six".