990000029 has 2 divisors, whose sum is σ = 990000030. Its totient is φ = 990000028.

The previous prime is 990000023. The next prime is 990000061. The reversal of 990000029 is 920000099.

990000029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 635544100 + 354455929 = 25210^2 + 18827^2 .

It is an emirp because it is prime and its reverse (920000099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 990000029 - 2¹⁶ = 989934493 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 989999956 and 990000010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990000023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495000014 + 495000015.

It is an arithmetic number, because the mean of its divisors is an integer number (495000015).

Almost surely, 2^990000029 is an apocalyptic number.

It is an amenable number.

990000029 is a deficient number, since it is larger than the sum of its proper divisors (1).

990000029 is an equidigital number, since it uses as much as digits as its factorization.

990000029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 990000029 is about 31464.2659059448. The cubic root of 990000029 is about 996.6555031442.

The spelling of 990000029 in words is "nine hundred ninety million, twenty-nine", and thus it is an aban number.