29240641 has 4 divisors (see below), whose sum is σ = 29463984. Its totient is φ = 29017300.

The previous prime is 29240621. The next prime is 29240647. The reversal of 29240641 is 14604292.

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 not a de Polignac number, because 29240641 - 2¹¹ = 29238593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29240647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111475 + ... + 111736.

It is an arithmetic number, because the mean of its divisors is an integer number (7365996).

Almost surely, 2^29240641 is an apocalyptic number.

It is an amenable number.

29240641 is a deficient number, since it is larger than the sum of its proper divisors (223343).

29240641 is a wasteful number, since it uses less digits than its factorization.

29240641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223342.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 29240641 is about 5407.4616041170. The cubic root of 29240641 is about 308.0791421124.

The spelling of 29240641 in words is "twenty-nine million, two hundred forty thousand, six hundred forty-one".