385819601 has 2 divisors, whose sum is σ = 385819602. Its totient is φ = 385819600.

The previous prime is 385819591. The next prime is 385819631. The reversal of 385819601 is 106918583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385140625 + 678976 = 19625^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 385819601 - 2¹⁰ = 385818577 is a prime.

It is not a weakly prime, because it can be changed into another prime (385819631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192909800 + 192909801.

It is an arithmetic number, because the mean of its divisors is an integer number (192909801).

Almost surely, 2^385819601 is an apocalyptic number.

It is an amenable number.

385819601 is a deficient number, since it is larger than the sum of its proper divisors (1).

385819601 is an equidigital number, since it uses as much as digits as its factorization.

385819601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 385819601 is about 19642.2911341829. The cubic root of 385819601 is about 727.9944960186.

The spelling of 385819601 in words is "three hundred eighty-five million, eight hundred nineteen thousand, six hundred one".