387937 has 4 divisors (see below), whose sum is σ = 423216. Its totient is φ = 352660.

The previous prime is 387917. The next prime is 387953. The reversal of 387937 is 739783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-387937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 387896 and 387905.

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 3 ways as a sum of consecutive naturals, for example, 17623 + ... + 17644.

It is an arithmetic number, because the mean of its divisors is an integer number (105804).

2³⁸⁷⁹³⁷ is an apocalyptic number.

It is an amenable number.

387937 is a deficient number, since it is larger than the sum of its proper divisors (35279).

387937 is a wasteful number, since it uses less digits than its factorization.

387937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35278.

The product of its digits is 31752, while the sum is 37.

The square root of 387937 is about 622.8458878406. The cubic root of 387937 is about 72.9323824991.

It can be divided in two parts, 3879 and 37, that added together give a triangular number (3916 = T₈₈).

The spelling of 387937 in words is "three hundred eighty-seven thousand, nine hundred thirty-seven".