387704 has 8 divisors (see below), whose sum is σ = 726960. Its totient is φ = 193848.

The previous prime is 387683. The next prime is 387707. The reversal of 387704 is 407783.

387704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387707) by changing a digit.

387704 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 24224 + ... + 24239.

It is an arithmetic number, because the mean of its divisors is an integer number (90870).

2³⁸⁷⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

387704 is a deficient number, since it is larger than the sum of its proper divisors (339256).

387704 is a wasteful number, since it uses less digits than its factorization.

387704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48469 (or 48465 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 387704 is about 622.6588150825. The cubic root of 387704 is about 72.9177781962.

The spelling of 387704 in words is "three hundred eighty-seven thousand, seven hundred four".