387988143 has 8 divisors (see below), whose sum is σ = 527078448. Its totient is φ = 253778304.

The previous prime is 387988141. The next prime is 387988163. The reversal of 387988143 is 341889783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 387988143 - 2¹ = 387988141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387988141) 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, 1219930 + ... + 1220247.

It is an arithmetic number, because the mean of its divisors is an integer number (65884806).

Almost surely, 2^387988143 is an apocalyptic number.

387988143 is a deficient number, since it is larger than the sum of its proper divisors (139090305).

387988143 is a wasteful number, since it uses less digits than its factorization.

387988143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440233.

The product of its digits is 1161216, while the sum is 51.

The square root of 387988143 is about 19697.4146273058. The cubic root of 387988143 is about 729.3558732958.

The spelling of 387988143 in words is "three hundred eighty-seven million, nine hundred eighty-eight thousand, one hundred forty-three".