385697 has 4 divisors (see below), whose sum is σ = 415380. Its totient is φ = 356016.

The previous prime is 385663. The next prime is 385709. The reversal of 385697 is 796583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26896 + 358801 = 164^2 + 599^2 .

It is a cyclic number.

It is not a de Polignac number, because 385697 - 2¹⁰ = 384673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385697.

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 3 ways as a sum of consecutive naturals, for example, 14822 + ... + 14847.

It is an arithmetic number, because the mean of its divisors is an integer number (103845).

2³⁸⁵⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

385697 is a deficient number, since it is larger than the sum of its proper divisors (29683).

385697 is a wasteful number, since it uses less digits than its factorization.

385697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29682.

The product of its digits is 45360, while the sum is 38.

The square root of 385697 is about 621.0450869301. The cubic root of 385697 is about 72.7917376808.

The spelling of 385697 in words is "three hundred eighty-five thousand, six hundred ninety-seven".