210098389 has 2 divisors, whose sum is σ = 210098390. Its totient is φ = 210098388.

The previous prime is 210098381. The next prime is 210098419. The reversal of 210098389 is 983890012.

210098389 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., 114704100 + 95394289 = 10710^2 + 9767^2 .

It is a cyclic number.

It is not a de Polignac number, because 210098389 - 2³ = 210098381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210098381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105049194 + 105049195.

It is an arithmetic number, because the mean of its divisors is an integer number (105049195).

Almost surely, 2^210098389 is an apocalyptic number.

It is an amenable number.

210098389 is a deficient number, since it is larger than the sum of its proper divisors (1).

210098389 is an equidigital number, since it uses as much as digits as its factorization.

210098389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 210098389 is about 14494.7710916730. The cubic root of 210098389 is about 594.4850088046.

It can be divided in two parts, 2100 and 98389, that added together give a square (100489 = 317²).

The spelling of 210098389 in words is "two hundred ten million, ninety-eight thousand, three hundred eighty-nine".