29026991 has 8 divisors (see below), whose sum is σ = 33209760. Its totient is φ = 24853248.

The previous prime is 29026979. The next prime is 29027017. The reversal of 29026991 is 19962092.

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

It is not a de Polignac number, because 29026991 - 2¹⁰ = 29025967 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 (29026951) 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 7 ways as a sum of consecutive naturals, for example, 7415 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (4151220).

Almost surely, 2^29026991 is an apocalyptic number.

29026991 is a deficient number, since it is larger than the sum of its proper divisors (4182769).

29026991 is a wasteful number, since it uses less digits than its factorization.

29026991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 29026991 is about 5387.6702757314. The cubic root of 29026991 is about 307.3269689939.

The spelling of 29026991 in words is "twenty-nine million, twenty-six thousand, nine hundred ninety-one".