385500850 has 24 divisors (see below), whose sum is σ = 819465408. Its totient is φ = 132171600.

The previous prime is 385500833. The next prime is 385500851. The reversal of 385500850 is 58005583.

It is a super-2 number, since 2×385500850² = 297221810701445000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385500851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550366 + ... + 551065.

It is an arithmetic number, because the mean of its divisors is an integer number (34144392).

Almost surely, 2^385500850 is an apocalyptic number.

385500850 is an abundant number, since it is smaller than the sum of its proper divisors (433964558).

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

385500850 is a wasteful number, since it uses less digits than its factorization.

385500850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101450 (or 1101445 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 385500850 is about 19634.1755620143. The cubic root of 385500850 is about 727.7939593723.

The spelling of 385500850 in words is "three hundred eighty-five million, five hundred thousand, eight hundred fifty".