29868541 has 8 divisors (see below), whose sum is σ = 32397624. Its totient is φ = 27425280.

The previous prime is 29868529. The next prime is 29868571. The reversal of 29868541 is 14586892.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10692900 + 19175641 = 3270^2 + 4379^2 .

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 29868541 - 2⁹ = 29868029 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 (29868511) 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, 20730 + ... + 22123.

It is an arithmetic number, because the mean of its divisors is an integer number (4049703).

Almost surely, 2^29868541 is an apocalyptic number.

It is an amenable number.

29868541 is a deficient number, since it is larger than the sum of its proper divisors (2529083).

29868541 is a wasteful number, since it uses less digits than its factorization.

29868541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42911.

The product of its digits is 138240, while the sum is 43.

The square root of 29868541 is about 5465.2118897624. The cubic root of 29868541 is about 310.2687264020.

The spelling of 29868541 in words is "twenty-nine million, eight hundred sixty-eight thousand, five hundred forty-one".