389022241 has 2 divisors, whose sum is σ = 389022242. Its totient is φ = 389022240.

The previous prime is 389022239. The next prime is 389022251. The reversal of 389022241 is 142220983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252810000 + 136212241 = 15900^2 + 11671^2 .

It is a cyclic number.

It is not a de Polignac number, because 389022241 - 2¹ = 389022239 is a prime.

Together with 389022239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (389022251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194511120 + 194511121.

It is an arithmetic number, because the mean of its divisors is an integer number (194511121).

Almost surely, 2^389022241 is an apocalyptic number.

It is an amenable number.

389022241 is a deficient number, since it is larger than the sum of its proper divisors (1).

389022241 is an equidigital number, since it uses as much as digits as its factorization.

389022241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 389022241 is about 19723.6467469888. The cubic root of 389022241 is about 730.0032782739.

The spelling of 389022241 in words is "three hundred eighty-nine million, twenty-two thousand, two hundred forty-one".