385397 has 2 divisors, whose sum is σ = 385398. Its totient is φ = 385396.

The previous prime is 385393. The next prime is 385403. The reversal of 385397 is 793583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303601 + 81796 = 551^2 + 286^2 .

It is a cyclic number.

It is not a de Polignac number, because 385397 - 2² = 385393 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 (385391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192698 + 192699.

It is an arithmetic number, because the mean of its divisors is an integer number (192699).

2³⁸⁵³⁹⁷ is an apocalyptic number.

It is an amenable number.

385397 is a deficient number, since it is larger than the sum of its proper divisors (1).

385397 is an equidigital number, since it uses as much as digits as its factorization.

385397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 385397 is about 620.8035115880. The cubic root of 385397 is about 72.7728600078.

The spelling of 385397 in words is "three hundred eighty-five thousand, three hundred ninety-seven".