387670 has 8 divisors (see below), whose sum is σ = 697824. Its totient is φ = 155064.

The previous prime is 387659. The next prime is 387677. The reversal of 387670 is 76783.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387677) 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, 19374 + ... + 19393.

It is an arithmetic number, because the mean of its divisors is an integer number (87228).

2³⁸⁷⁶⁷⁰ is an apocalyptic number.

387670 is a deficient number, since it is larger than the sum of its proper divisors (310154).

387670 is a wasteful number, since it uses less digits than its factorization.

387670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38774.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 387670 is about 622.6315122125. The cubic root of 387670 is about 72.9156466070.

The spelling of 387670 in words is "three hundred eighty-seven thousand, six hundred seventy".