385617 has 8 divisors (see below), whose sum is σ = 517824. Its totient is φ = 255248.

The previous prime is 385607. The next prime is 385621. The reversal of 385617 is 716583.

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 385617 - 2¹⁶ = 320081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148 + ... + 890.

It is an arithmetic number, because the mean of its divisors is an integer number (64728).

2³⁸⁵⁶¹⁷ is an apocalyptic number.

It is an amenable number.

385617 is a deficient number, since it is larger than the sum of its proper divisors (132207).

385617 is a wasteful number, since it uses less digits than its factorization.

385617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its digits is 5040, while the sum is 30.

The square root of 385617 is about 620.9806760278. The cubic root of 385617 is about 72.7867045921.

The spelling of 385617 in words is "three hundred eighty-five thousand, six hundred seventeen".