387942130 has 16 divisors (see below), whose sum is σ = 714536064. Its totient is φ = 151567920.

The previous prime is 387942067. The next prime is 387942143. The reversal of 387942130 is 31249783.

It is a self number, because there is not a number n which added to its sum of digits gives 387942130.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 450666 + ... + 451525.

It is an arithmetic number, because the mean of its divisors is an integer number (44658504).

Almost surely, 2^387942130 is an apocalyptic number.

387942130 is a deficient number, since it is larger than the sum of its proper divisors (326593934).

387942130 is a wasteful number, since it uses less digits than its factorization.

387942130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902241.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 387942130 is about 19696.2465967504. The cubic root of 387942130 is about 729.3270397870.

The spelling of 387942130 in words is "three hundred eighty-seven million, nine hundred forty-two thousand, one hundred thirty".