29421663 has 8 divisors (see below), whose sum is σ = 39470208. Its totient is φ = 19493784.

The previous prime is 29421661. The next prime is 29421673. The reversal of 29421663 is 36612492.

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

It is not a de Polignac number, because 29421663 - 2¹ = 29421661 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29421661) 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 7 ways as a sum of consecutive naturals, for example, 29595 + ... + 30572.

It is an arithmetic number, because the mean of its divisors is an integer number (4933776).

Almost surely, 2^29421663 is an apocalyptic number.

29421663 is a deficient number, since it is larger than the sum of its proper divisors (10048545).

29421663 is a wasteful number, since it uses less digits than its factorization.

29421663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60333.

The product of its digits is 15552, while the sum is 33.

The square root of 29421663 is about 5424.1739463258. The cubic root of 29421663 is about 308.7135834269.

The spelling of 29421663 in words is "twenty-nine million, four hundred twenty-one thousand, six hundred sixty-three".