387487142 has 16 divisors (see below), whose sum is σ = 665491200. Its totient is φ = 165759048.

The previous prime is 387487117. The next prime is 387487151. The reversal of 387487142 is 241784783.

It is a junction number, because it is equal to n+sod(n) for n = 387487093 and 387487102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17642 + ... + 32957.

It is an arithmetic number, because the mean of its divisors is an integer number (41593200).

Almost surely, 2^387487142 is an apocalyptic number.

387487142 is a deficient number, since it is larger than the sum of its proper divisors (278004058).

387487142 is a wasteful number, since it uses less digits than its factorization.

387487142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51155.

The product of its digits is 301056, while the sum is 44.

The square root of 387487142 is about 19684.6930887936. The cubic root of 387487142 is about 729.0418040623.

The spelling of 387487142 in words is "three hundred eighty-seven million, four hundred eighty-seven thousand, one hundred forty-two".