385803443 has 4 divisors (see below), whose sum is σ = 399107040. Its totient is φ = 372499848.

The previous prime is 385803437. The next prime is 385803461. The reversal of 385803443 is 344308583.

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

It is a cyclic number.

It is not a de Polignac number, because 385803443 - 2⁴ = 385803427 is a prime.

It is a super-3 number, since 3×385803443³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385803397 and 385803406.

It is not an unprimeable number, because it can be changed into a prime (385803043) 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, 6651755 + ... + 6651812.

It is an arithmetic number, because the mean of its divisors is an integer number (99776760).

Almost surely, 2^385803443 is an apocalyptic number.

385803443 is a deficient number, since it is larger than the sum of its proper divisors (13303597).

385803443 is a wasteful number, since it uses less digits than its factorization.

385803443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13303596.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 385803443 is about 19641.8798234792. The cubic root of 385803443 is about 727.9843331522.

The spelling of 385803443 in words is "three hundred eighty-five million, eight hundred three thousand, four hundred forty-three".