29444421 has 8 divisors (see below), whose sum is σ = 39405184. Its totient is φ = 19556640.

The previous prime is 29444411. The next prime is 29444453. The reversal of 29444421 is 12444492.

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

It is not a de Polignac number, because 29444421 - 2¹¹ = 29442373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29444411) 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, 17296 + ... + 18921.

It is an arithmetic number, because the mean of its divisors is an integer number (4925648).

Almost surely, 2^29444421 is an apocalyptic number.

It is an amenable number.

29444421 is a deficient number, since it is larger than the sum of its proper divisors (9960763).

29444421 is a wasteful number, since it uses less digits than its factorization.

29444421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36491.

The product of its digits is 9216, while the sum is 30.

The square root of 29444421 is about 5426.2713717616. The cubic root of 29444421 is about 308.7931607667.

The spelling of 29444421 in words is "twenty-nine million, four hundred forty-four thousand, four hundred twenty-one".