385845851 has 4 divisors (see below), whose sum is σ = 386270304. Its totient is φ = 385421400.

The previous prime is 385845839. The next prime is 385845853. The reversal of 385845851 is 158548583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158548583 = 401 ⋅395383.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385845851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385845796 and 385845805.

It is not an unprimeable number, because it can be changed into a prime (385845853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210860 + ... + 212681.

It is an arithmetic number, because the mean of its divisors is an integer number (96567576).

Almost surely, 2^385845851 is an apocalyptic number.

385845851 is a deficient number, since it is larger than the sum of its proper divisors (424453).

385845851 is an equidigital number, since it uses as much as digits as its factorization.

385845851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424452.

The product of its digits is 768000, while the sum is 47.

The square root of 385845851 is about 19642.9593238901. The cubic root of 385845851 is about 728.0110058262.

The spelling of 385845851 in words is "three hundred eighty-five million, eight hundred forty-five thousand, eight hundred fifty-one".