29690291 has 2 divisors, whose sum is σ = 29690292. Its totient is φ = 29690290.

The previous prime is 29690257. The next prime is 29690299. The reversal of 29690291 is 19209692.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29690291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29690299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14845145 + 14845146.

It is an arithmetic number, because the mean of its divisors is an integer number (14845146).

Almost surely, 2^29690291 is an apocalyptic number.

29690291 is a deficient number, since it is larger than the sum of its proper divisors (1).

29690291 is an equidigital number, since it uses as much as digits as its factorization.

29690291 is an evil number, because the sum of its binary digits is even.

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

The square root of 29690291 is about 5448.8797931318. The cubic root of 29690291 is about 309.6502854788.

The spelling of 29690291 in words is "twenty-nine million, six hundred ninety thousand, two hundred ninety-one".