385459117 has 2 divisors, whose sum is σ = 385459118. Its totient is φ = 385459116.

The previous prime is 385459111. The next prime is 385459147. The reversal of 385459117 is 711954583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367642276 + 17816841 = 19174^2 + 4221^2 .

It is a cyclic number.

It is not a de Polignac number, because 385459117 - 2¹⁹ = 384934829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385459111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192729558 + 192729559.

It is an arithmetic number, because the mean of its divisors is an integer number (192729559).

Almost surely, 2^385459117 is an apocalyptic number.

It is an amenable number.

385459117 is a deficient number, since it is larger than the sum of its proper divisors (1).

385459117 is an equidigital number, since it uses as much as digits as its factorization.

385459117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 43.

The square root of 385459117 is about 19633.1127689931. The cubic root of 385459117 is about 727.7676955985.

The spelling of 385459117 in words is "three hundred eighty-five million, four hundred fifty-nine thousand, one hundred seventeen".