385001850 has 24 divisors (see below), whose sum is σ = 954804960. Its totient is φ = 102667120.

The previous prime is 385001821. The next prime is 385001857. The reversal of 385001850 is 58100583.

It is a happy number.

385001850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (385001857) 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 11 ways as a sum of consecutive naturals, for example, 1283190 + ... + 1283489.

It is an arithmetic number, because the mean of its divisors is an integer number (39783540).

Almost surely, 2^385001850 is an apocalyptic number.

385001850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

385001850 is an abundant number, since it is smaller than the sum of its proper divisors (569803110).

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

385001850 is a wasteful number, since it uses less digits than its factorization.

385001850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566694 (or 2566689 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 385001850 is about 19621.4640126572. The cubic root of 385001850 is about 727.4798001028.

The spelling of 385001850 in words is "three hundred eighty-five million, one thousand, eight hundred fifty".