385745 has 8 divisors (see below), whose sum is σ = 466560. Its totient is φ = 306160.

The previous prime is 385741. The next prime is 385771. The reversal of 385745 is 547583.

It is a happy number.

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

It is not a de Polignac number, because 385745 - 2² = 385741 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (385741) 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, 680 + ... + 1110.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2³⁸⁵⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

385745 is a deficient number, since it is larger than the sum of its proper divisors (80815).

385745 is a wasteful number, since it uses less digits than its factorization.

385745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its digits is 16800, while the sum is 32.

The square root of 385745 is about 621.0837302651. The cubic root of 385745 is about 72.7947572000.

The spelling of 385745 in words is "three hundred eighty-five thousand, seven hundred forty-five".