202889 has 2 divisors, whose sum is σ = 202890. Its totient is φ = 202888.

The previous prime is 202879. The next prime is 202907. The reversal of 202889 is 988202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102400 + 100489 = 320^2 + 317^2 .

It is a cyclic number.

It is not a de Polignac number, because 202889 - 2¹⁶ = 137353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101444 + 101445.

It is an arithmetic number, because the mean of its divisors is an integer number (101445).

2²⁰²⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

202889 is a deficient number, since it is larger than the sum of its proper divisors (1).

202889 is an equidigital number, since it uses as much as digits as its factorization.

202889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 202889 is about 450.4320148480. The cubic root of 202889 is about 58.7605926275.

The spelling of 202889 in words is "two hundred two thousand, eight hundred eighty-nine".