387924 has 12 divisors (see below), whose sum is σ = 905184. Its totient is φ = 129304.

The previous prime is 387917. The next prime is 387953. The reversal of 387924 is 429783.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 16152 + ... + 16175.

It is an arithmetic number, because the mean of its divisors is an integer number (75432).

2³⁸⁷⁹²⁴ is an apocalyptic number.

It is an amenable number.

387924 is an abundant number, since it is smaller than the sum of its proper divisors (517260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387924 is a wasteful number, since it uses less digits than its factorization.

387924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32334 (or 32332 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 387924 is about 622.8354517848. The cubic root of 387924 is about 72.9315678208.

It can be divided in two parts, 3879 and 24, that multiplied together give a triangular number (93096 = T₄₃₁).

The spelling of 387924 in words is "three hundred eighty-seven thousand, nine hundred twenty-four".