29489489 has 2 divisors, whose sum is σ = 29489490. Its totient is φ = 29489488.

The previous prime is 29489479. The next prime is 29489503. The reversal of 29489489 is 98498492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28090000 + 1399489 = 5300^2 + 1183^2 .

It is a cyclic number.

It is not a de Polignac number, because 29489489 - 2⁸ = 29489233 is a prime.

It is a super-2 number, since 2×29489489² = 1739259922962242, which contains 22 as substring.

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 29489489.

It is not a weakly prime, because it can be changed into another prime (29489429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14744744 + 14744745.

It is an arithmetic number, because the mean of its divisors is an integer number (14744745).

Almost surely, 2^29489489 is an apocalyptic number.

It is an amenable number.

29489489 is a deficient number, since it is larger than the sum of its proper divisors (1).

29489489 is an equidigital number, since it uses as much as digits as its factorization.

29489489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 53.

The square root of 29489489 is about 5430.4225434123. The cubic root of 29489489 is about 308.9506280149.

The spelling of 29489489 in words is "twenty-nine million, four hundred eighty-nine thousand, four hundred eighty-nine".