385289941 has 2 divisors, whose sum is σ = 385289942. Its totient is φ = 385289940.

The previous prime is 385289903. The next prime is 385289963. The reversal of 385289941 is 149982583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258277041 + 127012900 = 16071^2 + 11270^2 .

It is a cyclic number.

It is not a de Polignac number, because 385289941 - 2¹⁹ = 384765653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385284941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192644970 + 192644971.

It is an arithmetic number, because the mean of its divisors is an integer number (192644971).

Almost surely, 2^385289941 is an apocalyptic number.

It is an amenable number.

385289941 is a deficient number, since it is larger than the sum of its proper divisors (1).

385289941 is an equidigital number, since it uses as much as digits as its factorization.

385289941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 49.

The square root of 385289941 is about 19628.8038606534. The cubic root of 385289941 is about 727.6612088671.

The spelling of 385289941 in words is "three hundred eighty-five million, two hundred eighty-nine thousand, nine hundred forty-one".