385670 has 8 divisors (see below), whose sum is σ = 694224. Its totient is φ = 154264.

The previous prime is 385663. The next prime is 385709. The reversal of 385670 is 76583.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 385670.

It is an unprimeable number.

385670 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19274 + ... + 19293.

It is an arithmetic number, because the mean of its divisors is an integer number (86778).

2³⁸⁵⁶⁷⁰ is an apocalyptic number.

385670 is a deficient number, since it is larger than the sum of its proper divisors (308554).

385670 is a wasteful number, since it uses less digits than its factorization.

385670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38574.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 385670 is about 621.0233489974. The cubic root of 385670 is about 72.7900390912.

Subtracting from 385670 its sum of digits (29), we obtain a square (385641 = 621²).

The spelling of 385670 in words is "three hundred eighty-five thousand, six hundred seventy".