29098991 has 4 divisors (see below), whose sum is σ = 29109792. Its totient is φ = 29088192.

The previous prime is 29098981. The next prime is 29099011. The reversal of 29098991 is 19989092.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 29098991 - 2¹⁴ = 29082607 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 (29098931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2330 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (7277448).

Almost surely, 2^29098991 is an apocalyptic number.

29098991 is a deficient number, since it is larger than the sum of its proper divisors (10801).

29098991 is an equidigital number, since it uses as much as digits as its factorization.

29098991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10800.

The product of its (nonzero) digits is 104976, while the sum is 47.

The square root of 29098991 is about 5394.3480607021. The cubic root of 29098991 is about 307.5808622470.

The spelling of 29098991 in words is "twenty-nine million, ninety-eight thousand, nine hundred ninety-one".