385742 has 16 divisors (see below), whose sum is σ = 673920. Its totient is φ = 162168.

The previous prime is 385741. The next prime is 385771. The reversal of 385742 is 247583.

It is a happy number.

385742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593 + ... + 1059.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2³⁸⁵⁷⁴² is an apocalyptic number.

385742 is a deficient number, since it is larger than the sum of its proper divisors (288178).

385742 is a wasteful number, since it uses less digits than its factorization.

385742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535.

The product of its digits is 6720, while the sum is 29.

The square root of 385742 is about 621.0813151271. The cubic root of 385742 is about 72.7945684874.

The spelling of 385742 in words is "three hundred eighty-five thousand, seven hundred forty-two".