29404889 has 2 divisors, whose sum is σ = 29404890. Its totient is φ = 29404888.

The previous prime is 29404873. The next prime is 29404931. The reversal of 29404889 is 98840492.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15840400 + 13564489 = 3980^2 + 3683^2 .

It is a cyclic number.

It is not a de Polignac number, because 29404889 - 2⁴ = 29404873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (29404829) 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, 14702444 + 14702445.

It is an arithmetic number, because the mean of its divisors is an integer number (14702445).

Almost surely, 2^29404889 is an apocalyptic number.

It is an amenable number.

29404889 is a deficient number, since it is larger than the sum of its proper divisors (1).

29404889 is an equidigital number, since it uses as much as digits as its factorization.

29404889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 29404889 is about 5422.6274996537. The cubic root of 29404889 is about 308.6549039197.

The spelling of 29404889 in words is "twenty-nine million, four hundred four thousand, eight hundred eighty-nine".