29278241 has 8 divisors (see below), whose sum is σ = 30896640. Its totient is φ = 27688672.

The previous prime is 29278237. The next prime is 29278243. The reversal of 29278241 is 14287292.

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

It is a cyclic number.

It is not a de Polignac number, because 29278241 - 2² = 29278237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29278243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5105 + ... + 9198.

It is an arithmetic number, because the mean of its divisors is an integer number (3862080).

Almost surely, 2^29278241 is an apocalyptic number.

It is an amenable number.

29278241 is a deficient number, since it is larger than the sum of its proper divisors (1618399).

29278241 is a wasteful number, since it uses less digits than its factorization.

29278241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14415.

The product of its digits is 16128, while the sum is 35.

The square root of 29278241 is about 5410.9371646694. The cubic root of 29278241 is about 308.2111366443.

The spelling of 29278241 in words is "twenty-nine million, two hundred seventy-eight thousand, two hundred forty-one".