387959740 has 24 divisors (see below), whose sum is σ = 931103712. Its totient is φ = 133014720.

The previous prime is 387959713. The next prime is 387959743. The reversal of 387959740 is 47959783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387959743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1385431 + ... + 1385710.

It is an arithmetic number, because the mean of its divisors is an integer number (38795988).

Almost surely, 2^387959740 is an apocalyptic number.

It is an amenable number.

387959740 is an abundant number, since it is smaller than the sum of its proper divisors (543143972).

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

387959740 is a wasteful number, since it uses less digits than its factorization.

387959740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771157 (or 2771155 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 387959740 is about 19696.6936311656. The cubic root of 387959740 is about 729.3380751570.

The spelling of 387959740 in words is "three hundred eighty-seven million, nine hundred fifty-nine thousand, seven hundred forty".