29104421 has 8 divisors (see below), whose sum is σ = 30417024. Its totient is φ = 27820800.

The previous prime is 29104403. The next prime is 29104423. The reversal of 29104421 is 12440192.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29104421 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 (29104423) 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, 5180 + ... + 9221.

It is an arithmetic number, because the mean of its divisors is an integer number (3802128).

Almost surely, 2^29104421 is an apocalyptic number.

It is an amenable number.

29104421 is a deficient number, since it is larger than the sum of its proper divisors (1312603).

29104421 is a wasteful number, since it uses less digits than its factorization.

29104421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14491.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 29104421 is about 5394.8513417888. The cubic root of 29104421 is about 307.5999930387.

The spelling of 29104421 in words is "twenty-nine million, one hundred four thousand, four hundred twenty-one".