387538 has 8 divisors (see below), whose sum is σ = 597132. Its totient is φ = 188496.

The previous prime is 387529. The next prime is 387551. The reversal of 387538 is 835783.

387538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 321489 + 66049 = 567^2 + 257^2 .

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

It is a d-powerful number, because it can be written as 3¹¹ + 8 + 5³ + 7³ + 3¹¹ + 8⁵ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2545 + ... + 2692.

2³⁸⁷⁵³⁸ is an apocalyptic number.

387538 is a deficient number, since it is larger than the sum of its proper divisors (209594).

387538 is a wasteful number, since it uses less digits than its factorization.

387538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276.

The product of its digits is 20160, while the sum is 34.

The square root of 387538 is about 622.5255014857. The cubic root of 387538 is about 72.9073698442.

The spelling of 387538 in words is "three hundred eighty-seven thousand, five hundred thirty-eight".