385961 has 4 divisors (see below), whose sum is σ = 399300. Its totient is φ = 372624.

The previous prime is 385943. The next prime is 385967. The reversal of 385961 is 169583.

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 72361 + 313600 = 269^2 + 560^2 .

It is a cyclic number.

It is not a de Polignac number, because 385961 - 2⁶ = 385897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6626 + ... + 6683.

It is an arithmetic number, because the mean of its divisors is an integer number (99825).

2³⁸⁵⁹⁶¹ is an apocalyptic number.

It is an amenable number.

385961 is a deficient number, since it is larger than the sum of its proper divisors (13339).

385961 is a wasteful number, since it uses less digits than its factorization.

385961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13338.

The product of its digits is 6480, while the sum is 32.

The square root of 385961 is about 621.2575955270. The cubic root of 385961 is about 72.8083419375.

The spelling of 385961 in words is "three hundred eighty-five thousand, nine hundred sixty-one".