29330991 has 20 divisors (see below), whose sum is σ = 45232704. Its totient is φ = 18921600.

The previous prime is 29330971. The next prime is 29330993. The reversal of 29330991 is 19903392.

It is not a de Polignac number, because 29330991 - 2⁹ = 29330479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29330993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3330 + ... + 8351.

Almost surely, 2^29330991 is an apocalyptic number.

29330991 is a deficient number, since it is larger than the sum of its proper divisors (15901713).

29330991 is a wasteful number, since it uses less digits than its factorization.

29330991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11724 (or 11715 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 29330991 is about 5415.8093577969. The cubic root of 29330991 is about 308.3961247980.

The spelling of 29330991 in words is "twenty-nine million, three hundred thirty thousand, nine hundred ninety-one".