29484989 has 2 divisors, whose sum is σ = 29484990. Its totient is φ = 29484988.

The previous prime is 29484947. The next prime is 29484991. The reversal of 29484989 is 98948492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25836889 + 3648100 = 5083^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 29484989 - 2⁸ = 29484733 is a prime.

It is a Sophie Germain prime.

Together with 29484991, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29484989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29474989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14742494 + 14742495.

It is an arithmetic number, because the mean of its divisors is an integer number (14742495).

Almost surely, 2^29484989 is an apocalyptic number.

It is an amenable number.

29484989 is a deficient number, since it is larger than the sum of its proper divisors (1).

29484989 is an equidigital number, since it uses as much as digits as its factorization.

29484989 is an evil number, because the sum of its binary digits is even.

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

The square root of 29484989 is about 5430.0081952056. The cubic root of 29484989 is about 308.9349122622.

The spelling of 29484989 in words is "twenty-nine million, four hundred eighty-four thousand, nine hundred eighty-nine".