387957 has 8 divisors (see below), whose sum is σ = 547776. Its totient is φ = 243392.

The previous prime is 387953. The next prime is 387967. The reversal of 387957 is 759783.

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

It is a cyclic number.

It is not a de Polignac number, because 387957 - 2² = 387953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387953) 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 7 ways as a sum of consecutive naturals, for example, 3753 + ... + 3854.

It is an arithmetic number, because the mean of its divisors is an integer number (68472).

2³⁸⁷⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

387957 is a deficient number, since it is larger than the sum of its proper divisors (159819).

387957 is a wasteful number, since it uses less digits than its factorization.

387957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7627.

The product of its digits is 52920, while the sum is 39.

The square root of 387957 is about 622.8619429697. The cubic root of 387957 is about 72.9336358148.

The spelling of 387957 in words is "three hundred eighty-seven thousand, nine hundred fifty-seven".