387985852 has 24 divisors (see below), whose sum is σ = 721405440. Its totient is φ = 182061360.

The previous prime is 387985847. The next prime is 387985853. The reversal of 387985852 is 258589783.

It is a junction number, because it is equal to n+sod(n) for n = 387985793 and 387985802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387985853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15724 + ... + 31987.

It is an arithmetic number, because the mean of its divisors is an integer number (30058560).

Almost surely, 2^387985852 is an apocalyptic number.

It is an amenable number.

387985852 is a deficient number, since it is larger than the sum of its proper divisors (333419588).

387985852 is a wasteful number, since it uses less digits than its factorization.

387985852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47841 (or 47839 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 55.

The square root of 387985852 is about 19697.3564723797. The cubic root of 387985852 is about 729.3544377213.

The spelling of 387985852 in words is "three hundred eighty-seven million, nine hundred eighty-five thousand, eight hundred fifty-two".