385909585 has 8 divisors (see below), whose sum is σ = 467588160. Its totient is φ = 305729904.

The previous prime is 385909567. The next prime is 385909591. The reversal of 385909585 is 585909583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385909585 - 2¹⁵ = 385876817 is a prime.

It is a super-3 number, since 3×385909585³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374155 + ... + 375184.

It is an arithmetic number, because the mean of its divisors is an integer number (58448520).

Almost surely, 2^385909585 is an apocalyptic number.

It is an amenable number.

385909585 is a deficient number, since it is larger than the sum of its proper divisors (81678575).

385909585 is a wasteful number, since it uses less digits than its factorization.

385909585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749447.

The product of its (nonzero) digits is 1944000, while the sum is 52.

The square root of 385909585 is about 19644.5815684631. The cubic root of 385909585 is about 728.0510878943.

The spelling of 385909585 in words is "three hundred eighty-five million, nine hundred nine thousand, five hundred eighty-five".