29421669 has 8 divisors (see below), whose sum is σ = 40934592. Its totient is φ = 18761600.

The previous prime is 29421661. The next prime is 29421673. The reversal of 29421669 is 96612492.

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 29421669 - 2³ = 29421661 is a prime.

It is a super-2 number, since 2×29421669² = 1731269213491122, which contains 22 as substring.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213132 + ... + 213269.

It is an arithmetic number, because the mean of its divisors is an integer number (5116824).

Almost surely, 2^29421669 is an apocalyptic number.

It is an amenable number.

29421669 is a deficient number, since it is larger than the sum of its proper divisors (11512923).

29421669 is a wasteful number, since it uses less digits than its factorization.

29421669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426427.

The product of its digits is 46656, while the sum is 39.

The square root of 29421669 is about 5424.1744994054. The cubic root of 29421669 is about 308.7136044124.

The spelling of 29421669 in words is "twenty-nine million, four hundred twenty-one thousand, six hundred sixty-nine".