29108393 has 2 divisors, whose sum is σ = 29108394. Its totient is φ = 29108392.

The previous prime is 29108389. The next prime is 29108423. The reversal of 29108393 is 39380192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22306729 + 6801664 = 4723^2 + 2608^2 .

It is a cyclic number.

It is not a de Polignac number, because 29108393 - 2² = 29108389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (29108693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14554196 + 14554197.

It is an arithmetic number, because the mean of its divisors is an integer number (14554197).

Almost surely, 2^29108393 is an apocalyptic number.

It is an amenable number.

29108393 is a deficient number, since it is larger than the sum of its proper divisors (1).

29108393 is an equidigital number, since it uses as much as digits as its factorization.

29108393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 29108393 is about 5395.2194580017. The cubic root of 29108393 is about 307.6139855474.

The spelling of 29108393 in words is "twenty-nine million, one hundred eight thousand, three hundred ninety-three".