385850940 has 24 divisors (see below), whose sum is σ = 1080382800. Its totient is φ = 102893568.

The previous prime is 385850939. The next prime is 385850947. The reversal of 385850940 is 49058583.

It is a junction number, because it is equal to n+sod(n) for n = 385850892 and 385850901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385850947) 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, 3215365 + ... + 3215484.

It is an arithmetic number, because the mean of its divisors is an integer number (45015950).

Almost surely, 2^385850940 is an apocalyptic number.

385850940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385850940 is an abundant number, since it is smaller than the sum of its proper divisors (694531860).

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

385850940 is a wasteful number, since it uses less digits than its factorization.

385850940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430861 (or 6430859 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 385850940 is about 19643.0888609709. The cubic root of 385850940 is about 728.0142064410.

The spelling of 385850940 in words is "three hundred eighty-five million, eight hundred fifty thousand, nine hundred forty".