385633711 has 4 divisors (see below), whose sum is σ = 386207392. Its totient is φ = 385060032.

The previous prime is 385633693. The next prime is 385633733. The reversal of 385633711 is 117336583.

It is a happy number.

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 385633711 - 2²⁵ = 352079279 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 (385633511) 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, 285831 + ... + 287176.

It is an arithmetic number, because the mean of its divisors is an integer number (96551848).

Almost surely, 2^385633711 is an apocalyptic number.

385633711 is a deficient number, since it is larger than the sum of its proper divisors (573681).

385633711 is an equidigital number, since it uses as much as digits as its factorization.

385633711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573680.

The product of its digits is 45360, while the sum is 37.

The square root of 385633711 is about 19637.5586822802. The cubic root of 385633711 is about 727.8775599894.

The spelling of 385633711 in words is "three hundred eighty-five million, six hundred thirty-three thousand, seven hundred eleven".