387615 has 8 divisors (see below), whose sum is σ = 620208. Its totient is φ = 206720.

The previous prime is 387613. The next prime is 387623. The reversal of 387615 is 516783.

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

It is not a de Polignac number, because 387615 - 2¹ = 387613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387613) 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, 12906 + ... + 12935.

It is an arithmetic number, because the mean of its divisors is an integer number (77526).

2³⁸⁷⁶¹⁵ is an apocalyptic number.

387615 is a deficient number, since it is larger than the sum of its proper divisors (232593).

387615 is a wasteful number, since it uses less digits than its factorization.

387615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25849.

The product of its digits is 5040, while the sum is 30.

The square root of 387615 is about 622.5873432700. The cubic root of 387615 is about 72.9121981842.

The spelling of 387615 in words is "three hundred eighty-seven thousand, six hundred fifteen".