387201 has 8 divisors (see below), whose sum is σ = 543520. Its totient is φ = 244512.

The previous prime is 387199. The next prime is 387203. The reversal of 387201 is 102783.

It is an interprime number because it is at equal distance from previous prime (387199) and next prime (387203).

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

It is not a de Polignac number, because 387201 - 2¹ = 387199 is a prime.

It is a super-2 number, since 2×387201² = 299849228802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387203) 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, 3340 + ... + 3453.

It is an arithmetic number, because the mean of its divisors is an integer number (67940).

2³⁸⁷²⁰¹ is an apocalyptic number.

It is an amenable number.

387201 is a deficient number, since it is larger than the sum of its proper divisors (156319).

387201 is a wasteful number, since it uses less digits than its factorization.

387201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6815.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 387201 is about 622.2547709741. The cubic root of 387201 is about 72.8862304901.

Adding to 387201 its reverse (102783), we get a palindrome (489984).

The spelling of 387201 in words is "three hundred eighty-seven thousand, two hundred one".