385853178 has 64 divisors (see below), whose sum is σ = 847872000. Its totient is φ = 116593344.

The previous prime is 385853177. The next prime is 385853179. The reversal of 385853178 is 871358583.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (385853177) and next prime (385853179).

It is not an unprimeable number, because it can be changed into a prime (385853177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419403 + ... + 420321.

It is an arithmetic number, because the mean of its divisors is an integer number (13248000).

Almost surely, 2^385853178 is an apocalyptic number.

385853178 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

385853178 is an abundant number, since it is smaller than the sum of its proper divisors (462018822).

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

385853178 is a wasteful number, since it uses less digits than its factorization.

385853178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099.

The product of its digits is 806400, while the sum is 48.

The square root of 385853178 is about 19643.1458274890. The cubic root of 385853178 is about 728.0156139730.

The spelling of 385853178 in words is "three hundred eighty-five million, eight hundred fifty-three thousand, one hundred seventy-eight".