387001 has 4 divisors (see below), whose sum is σ = 389412. Its totient is φ = 384592.

The previous prime is 386993. The next prime is 387007. The reversal of 387001 is 100783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100783 = 97 ⋅1039.

It can be written as a sum of positive squares in 2 ways, for example, as 331776 + 55225 = 576^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 387001 - 2³ = 386993 is a prime.

It is a Duffinian number.

387001 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 387001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946 + ... + 1291.

It is an arithmetic number, because the mean of its divisors is an integer number (97353).

2³⁸⁷⁰⁰¹ is an apocalyptic number.

It is an amenable number.

387001 is a deficient number, since it is larger than the sum of its proper divisors (2411).

387001 is a wasteful number, since it uses less digits than its factorization.

387001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 387001 is about 622.0940443373. The cubic root of 387001 is about 72.8736790791.

Adding to 387001 its reverse (100783), we get a palindrome (487784).

It can be divided in two parts, 3 and 87001, that multiplied together give a triangular number (261003 = T₇₂₂).

The spelling of 387001 in words is "three hundred eighty-seven thousand, one".