28950029 has 2 divisors, whose sum is σ = 28950030. Its totient is φ = 28950028.

The previous prime is 28950013. The next prime is 28950041. The reversal of 28950029 is 92005982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23020804 + 5929225 = 4798^2 + 2435^2 .

It is a cyclic number.

It is not a de Polignac number, because 28950029 - 2⁴ = 28950013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28950829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14475014 + 14475015.

It is an arithmetic number, because the mean of its divisors is an integer number (14475015).

Almost surely, 2^28950029 is an apocalyptic number.

It is an amenable number.

28950029 is a deficient number, since it is larger than the sum of its proper divisors (1).

28950029 is an equidigital number, since it uses as much as digits as its factorization.

28950029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 28950029 is about 5380.5231158318. The cubic root of 28950029 is about 307.0551135902.

The spelling of 28950029 in words is "twenty-eight million, nine hundred fifty thousand, twenty-nine".