29421371 has 4 divisors (see below), whose sum is σ = 33624432. Its totient is φ = 25218312.

The previous prime is 29421323. The next prime is 29421377. The reversal of 29421371 is 17312492.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 29421371 - 2¹⁴ = 29404987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29421377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2101520 + ... + 2101533.

It is an arithmetic number, because the mean of its divisors is an integer number (8406108).

Almost surely, 2^29421371 is an apocalyptic number.

29421371 is a deficient number, since it is larger than the sum of its proper divisors (4203061).

29421371 is an equidigital number, since it uses as much as digits as its factorization.

29421371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203060.

The product of its digits is 3024, while the sum is 29.

The square root of 29421371 is about 5424.1470297181. The cubic root of 29421371 is about 308.7125621311.

It can be divided in two parts, 29421 and 371, that added together give a palindrome (29792).

The spelling of 29421371 in words is "twenty-nine million, four hundred twenty-one thousand, three hundred seventy-one".