385757 has 8 divisors (see below), whose sum is σ = 412800. Its totient is φ = 359424.

The previous prime is 385741. The next prime is 385771. The reversal of 385757 is 757583.

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 385757 - 2⁴ = 385741 is a prime.

It is a Duffinian number.

385757 is a modest number, since divided by 5757 gives 38 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385057) 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, 1373 + ... + 1629.

It is an arithmetic number, because the mean of its divisors is an integer number (51600).

2³⁸⁵⁷⁵⁷ is an apocalyptic number.

It is an amenable number.

385757 is a deficient number, since it is larger than the sum of its proper divisors (27043).

385757 is a wasteful number, since it uses less digits than its factorization.

385757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its digits is 29400, while the sum is 35.

The square root of 385757 is about 621.0933907232. The cubic root of 385757 is about 72.7955120407.

The spelling of 385757 in words is "three hundred eighty-five thousand, seven hundred fifty-seven".