29686229 has 2 divisors, whose sum is σ = 29686230. Its totient is φ = 29686228.

The previous prime is 29686219. The next prime is 29686271. The reversal of 29686229 is 92268692.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28111204 + 1575025 = 5302^2 + 1255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29686229 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29686229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29686219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14843114 + 14843115.

It is an arithmetic number, because the mean of its divisors is an integer number (14843115).

Almost surely, 2^29686229 is an apocalyptic number.

It is an amenable number.

29686229 is a deficient number, since it is larger than the sum of its proper divisors (1).

29686229 is an equidigital number, since it uses as much as digits as its factorization.

29686229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The square root of 29686229 is about 5448.5070432184. The cubic root of 29686229 is about 309.6361635018.

The spelling of 29686229 in words is "twenty-nine million, six hundred eighty-six thousand, two hundred twenty-nine".