29685444 has 24 divisors (see below), whose sum is σ = 71655360. Its totient is φ = 9553824.

The previous prime is 29685443. The next prime is 29685457. The reversal of 29685444 is 44458692.

It is a junction number, because it is equal to n+sod(n) for n = 29685396 and 29685405.

It is not an unprimeable number, because it can be changed into a prime (29685443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42304 + ... + 42999.

It is an arithmetic number, because the mean of its divisors is an integer number (2985640).

Almost surely, 2^29685444 is an apocalyptic number.

It is an amenable number.

29685444 is an abundant number, since it is smaller than the sum of its proper divisors (41969916).

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

29685444 is a wasteful number, since it uses less digits than its factorization.

29685444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85339 (or 85337 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 29685444 is about 5448.4350046596. The cubic root of 29685444 is about 309.6334342168.

The spelling of 29685444 in words is "twenty-nine million, six hundred eighty-five thousand, four hundred forty-four".