385660543 has 4 divisors (see below), whose sum is σ = 386551648. Its totient is φ = 384769440.

The previous prime is 385660529. The next prime is 385660549. The reversal of 385660543 is 345066583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345066583 = 103 ⋅3350161.

It is a cyclic number.

It is not a de Polignac number, because 385660543 - 2⁵ = 385660511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385660496 and 385660505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385660549) 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, 444903 + ... + 445768.

It is an arithmetic number, because the mean of its divisors is an integer number (96637912).

Almost surely, 2^385660543 is an apocalyptic number.

385660543 is a deficient number, since it is larger than the sum of its proper divisors (891105).

385660543 is an equidigital number, since it uses as much as digits as its factorization.

385660543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891104.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 385660543 is about 19638.2418510416. The cubic root of 385660543 is about 727.8944412571.

The spelling of 385660543 in words is "three hundred eighty-five million, six hundred sixty thousand, five hundred forty-three".