28954669 has 2 divisors, whose sum is σ = 28954670. Its totient is φ = 28954668.

The previous prime is 28954661. The next prime is 28954693. The reversal of 28954669 is 96645982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21501769 + 7452900 = 4637^2 + 2730^2 .

It is a cyclic number.

It is not a de Polignac number, because 28954669 - 2³ = 28954661 is a prime.

It is a super-3 number, since 3×28954669³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28954661) 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, 14477334 + 14477335.

It is an arithmetic number, because the mean of its divisors is an integer number (14477335).

Almost surely, 2^28954669 is an apocalyptic number.

It is an amenable number.

28954669 is a deficient number, since it is larger than the sum of its proper divisors (1).

28954669 is an equidigital number, since it uses as much as digits as its factorization.

28954669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 28954669 is about 5380.9542833962. The cubic root of 28954669 is about 307.0715172539.

The spelling of 28954669 in words is "twenty-eight million, nine hundred fifty-four thousand, six hundred sixty-nine".