385793897 has 2 divisors, whose sum is σ = 385793898. Its totient is φ = 385793896.

The previous prime is 385793827. The next prime is 385793909. The reversal of 385793897 is 798397583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254370601 + 131423296 = 15949^2 + 11464^2 .

It is a cyclic number.

It is not a de Polignac number, because 385793897 - 2¹⁸ = 385531753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (385793827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192896948 + 192896949.

It is an arithmetic number, because the mean of its divisors is an integer number (192896949).

Almost surely, 2^385793897 is an apocalyptic number.

It is an amenable number.

385793897 is a deficient number, since it is larger than the sum of its proper divisors (1).

385793897 is an equidigital number, since it uses as much as digits as its factorization.

385793897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11430720, while the sum is 59.

The square root of 385793897 is about 19641.6368207947. The cubic root of 385793897 is about 727.9783288894.

The spelling of 385793897 in words is "three hundred eighty-five million, seven hundred ninety-three thousand, eight hundred ninety-seven".