29104891 has 4 divisors (see below), whose sum is σ = 29724192. Its totient is φ = 28485592.

The previous prime is 29104879. The next prime is 29104909. The reversal of 29104891 is 19840192.

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

It is a cyclic number.

It is not a de Polignac number, because 29104891 - 2¹³ = 29096699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29104871) 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, 309580 + ... + 309673.

It is an arithmetic number, because the mean of its divisors is an integer number (7431048).

Almost surely, 2^29104891 is an apocalyptic number.

29104891 is a deficient number, since it is larger than the sum of its proper divisors (619301).

29104891 is an equidigital number, since it uses as much as digits as its factorization.

29104891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619300.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 29104891 is about 5394.8949016640. The cubic root of 29104891 is about 307.6016488148.

The spelling of 29104891 in words is "twenty-nine million, one hundred four thousand, eight hundred ninety-one".