29648389 has 2 divisors, whose sum is σ = 29648390. Its totient is φ = 29648388.

The previous prime is 29648383. The next prime is 29648407. The reversal of 29648389 is 98384692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21622500 + 8025889 = 4650^2 + 2833^2 .

It is a cyclic number.

It is not a de Polignac number, because 29648389 - 2⁷ = 29648261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29648383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14824194 + 14824195.

It is an arithmetic number, because the mean of its divisors is an integer number (14824195).

Almost surely, 2^29648389 is an apocalyptic number.

It is an amenable number.

29648389 is a deficient number, since it is larger than the sum of its proper divisors (1).

29648389 is an equidigital number, since it uses as much as digits as its factorization.

29648389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The square root of 29648389 is about 5445.0334250581. The cubic root of 29648389 is about 309.5045467599.

The spelling of 29648389 in words is "twenty-nine million, six hundred forty-eight thousand, three hundred eighty-nine".