385039242 has 48 divisors (see below), whose sum is σ = 979210752. Its totient is φ = 107036640.

The previous prime is 385039231. The next prime is 385039247. The reversal of 385039242 is 242930583.

385039242 is a `hidden beast` number, since 385 + 0 + 39 + 242 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 385039197 and 385039206.

It is not an unprimeable number, because it can be changed into a prime (385039247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36634 + ... + 45957.

It is an arithmetic number, because the mean of its divisors is an integer number (20400224).

Almost surely, 2^385039242 is an apocalyptic number.

385039242 is an abundant number, since it is smaller than the sum of its proper divisors (594171510).

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

385039242 is a wasteful number, since it uses less digits than its factorization.

385039242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82643 (or 82640 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 385039242 is about 19622.4168236229. The cubic root of 385039242 is about 727.5033506772.

The spelling of 385039242 in words is "three hundred eighty-five million, thirty-nine thousand, two hundred forty-two".