389568941 has 2 divisors, whose sum is σ = 389568942. Its totient is φ = 389568940.

The previous prime is 389568929. The next prime is 389568983. The reversal of 389568941 is 149865983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283787716 + 105781225 = 16846^2 + 10285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389568941 is a prime.

It is a super-2 number, since 2×389568941² = 303527919583722962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389568901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194784470 + 194784471.

It is an arithmetic number, because the mean of its divisors is an integer number (194784471).

Almost surely, 2^389568941 is an apocalyptic number.

It is an amenable number.

389568941 is a deficient number, since it is larger than the sum of its proper divisors (1).

389568941 is an equidigital number, since it uses as much as digits as its factorization.

389568941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 53.

The square root of 389568941 is about 19737.5008803040. The cubic root of 389568941 is about 730.3450804857.

The spelling of 389568941 in words is "three hundred eighty-nine million, five hundred sixty-eight thousand, nine hundred forty-one".