387907 has 8 divisors (see below), whose sum is σ = 426384. Its totient is φ = 350688.

The previous prime is 387857. The next prime is 387911. The reversal of 387907 is 709783.

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

It is not a de Polignac number, because 387907 - 2¹¹ = 385859 is a prime.

It is a Duffinian number.

387907 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387917) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 408 + ... + 970.

It is an arithmetic number, because the mean of its divisors is an integer number (53298).

2³⁸⁷⁹⁰⁷ is an apocalyptic number.

387907 is a deficient number, since it is larger than the sum of its proper divisors (38477).

387907 is a wasteful number, since it uses less digits than its factorization.

387907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 387907 is about 622.8218043710. The cubic root of 387907 is about 72.9305024448.

The spelling of 387907 in words is "three hundred eighty-seven thousand, nine hundred seven".