29104409 has 4 divisors (see below), whose sum is σ = 30636240. Its totient is φ = 27572580.

The previous prime is 29104403. The next prime is 29104423. The reversal of 29104409 is 90440192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29104409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29104403) 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, 765887 + ... + 765924.

It is an arithmetic number, because the mean of its divisors is an integer number (7659060).

Almost surely, 2^29104409 is an apocalyptic number.

It is an amenable number.

29104409 is a deficient number, since it is larger than the sum of its proper divisors (1531831).

29104409 is a wasteful number, since it uses less digits than its factorization.

29104409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531830.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 29104409 is about 5394.8502296171. The cubic root of 29104409 is about 307.5999507633.

The spelling of 29104409 in words is "twenty-nine million, one hundred four thousand, four hundred nine".