387424143 has 24 divisors (see below), whose sum is σ = 578679296. Its totient is φ = 249512400.

The previous prime is 387424127. The next prime is 387424157. The reversal of 387424143 is 341424783.

It is not a de Polignac number, because 387424143 - 2⁴ = 387424127 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 387424098 and 387424107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387424343) 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 23 ways as a sum of consecutive naturals, for example, 252288 + ... + 253818.

Almost surely, 2^387424143 is an apocalyptic number.

387424143 is a deficient number, since it is larger than the sum of its proper divisors (191255153).

387424143 is a wasteful number, since it uses less digits than its factorization.

387424143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2472 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 387424143 is about 19683.0928209974. The cubic root of 387424143 is about 729.0022918747.

The spelling of 387424143 in words is "three hundred eighty-seven million, four hundred twenty-four thousand, one hundred forty-three".