29329421 has 8 divisors (see below), whose sum is σ = 32174688. Its totient is φ = 26514000.

The previous prime is 29329381. The next prime is 29329499. The reversal of 29329421 is 12492392.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29329421 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 (29329921) 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, 5375 + ... + 9356.

It is an arithmetic number, because the mean of its divisors is an integer number (4021836).

Almost surely, 2^29329421 is an apocalyptic number.

It is an amenable number.

29329421 is a deficient number, since it is larger than the sum of its proper divisors (2845267).

29329421 is a wasteful number, since it uses less digits than its factorization.

29329421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14923.

The product of its digits is 7776, while the sum is 32.

The square root of 29329421 is about 5415.6644098393. The cubic root of 29329421 is about 308.3906221932.

The spelling of 29329421 in words is "twenty-nine million, three hundred twenty-nine thousand, four hundred twenty-one".