385163872 has 24 divisors (see below), whose sum is σ = 774428256. Its totient is φ = 188483712.

The previous prime is 385163851. The next prime is 385163893. The reversal of 385163872 is 278361583.

It is an interprime number because it is at equal distance from previous prime (385163851) and next prime (385163893).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126543 + ... + 129550.

It is an arithmetic number, because the mean of its divisors is an integer number (32267844).

Almost surely, 2^385163872 is an apocalyptic number.

385163872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

385163872 is an abundant number, since it is smaller than the sum of its proper divisors (389264384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385163872 is a wasteful number, since it uses less digits than its factorization.

385163872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256150 (or 256142 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 385163872 is about 19625.5922713176. The cubic root of 385163872 is about 727.5818352850.

The spelling of 385163872 in words is "three hundred eighty-five million, one hundred sixty-three thousand, eight hundred seventy-two".