29689357 has 2 divisors, whose sum is σ = 29689358. Its totient is φ = 29689356.

The previous prime is 29689333. The next prime is 29689367. The reversal of 29689357 is 75398692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18224361 + 11464996 = 4269^2 + 3386^2 .

It is a cyclic number.

It is not a de Polignac number, because 29689357 - 2¹⁹ = 29165069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29689357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29689367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14844678 + 14844679.

It is an arithmetic number, because the mean of its divisors is an integer number (14844679).

Almost surely, 2^29689357 is an apocalyptic number.

It is an amenable number.

29689357 is a deficient number, since it is larger than the sum of its proper divisors (1).

29689357 is an equidigital number, since it uses as much as digits as its factorization.

29689357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 29689357 is about 5448.7940867682. The cubic root of 29689357 is about 309.6470384420.

The spelling of 29689357 in words is "twenty-nine million, six hundred eighty-nine thousand, three hundred fifty-seven".