29823149 has 2 divisors, whose sum is σ = 29823150. Its totient is φ = 29823148.

The previous prime is 29823139. The next prime is 29823161. The reversal of 29823149 is 94132892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21325924 + 8497225 = 4618^2 + 2915^2 .

It is a cyclic number.

It is not a de Polignac number, because 29823149 - 2⁸ = 29822893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29823139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14911574 + 14911575.

It is an arithmetic number, because the mean of its divisors is an integer number (14911575).

Almost surely, 2^29823149 is an apocalyptic number.

It is an amenable number.

29823149 is a deficient number, since it is larger than the sum of its proper divisors (1).

29823149 is an equidigital number, since it uses as much as digits as its factorization.

29823149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 29823149 is about 5461.0574983239. The cubic root of 29823149 is about 310.1114722247. Note that the first 3 decimals are identical.

The spelling of 29823149 in words is "twenty-nine million, eight hundred twenty-three thousand, one hundred forty-nine".