385940 has 24 divisors (see below), whose sum is σ = 846720. Its totient is φ = 147488.

The previous prime is 385939. The next prime is 385943. The reversal of 385940 is 49583.

385940 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 (385943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41 + ... + 879.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2³⁸⁵⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423360).

385940 is an abundant number, since it is smaller than the sum of its proper divisors (460780).

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

385940 is a wasteful number, since it uses less digits than its factorization.

385940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 385940 is about 621.2406940953. The cubic root of 385940 is about 72.8070214216.

The spelling of 385940 in words is "three hundred eighty-five thousand, nine hundred forty".