385325985 has 48 divisors (see below), whose sum is σ = 709940160. Its totient is φ = 176964480.

The previous prime is 385325981. The next prime is 385325989. The reversal of 385325985 is 589523583.

It is an interprime number because it is at equal distance from previous prime (385325981) and next prime (385325989).

It is not a de Polignac number, because 385325985 - 2² = 385325981 is a prime.

It is a super-2 number, since 2×385325985² = 296952229432440450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385325981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56331 + ... + 62799.

It is an arithmetic number, because the mean of its divisors is an integer number (14790420).

Almost surely, 2^385325985 is an apocalyptic number.

It is an amenable number.

385325985 is a deficient number, since it is larger than the sum of its proper divisors (324614175).

385325985 is a wasteful number, since it uses less digits than its factorization.

385325985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6526 (or 6507 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The square root of 385325985 is about 19629.7219796919. The cubic root of 385325985 is about 727.6838991409.

The spelling of 385325985 in words is "three hundred eighty-five million, three hundred twenty-five thousand, nine hundred eighty-five".