387678 has 8 divisors (see below), whose sum is σ = 775368. Its totient is φ = 129224.

The previous prime is 387677. The next prime is 387679. The reversal of 387678 is 876783.

It is an interprime number because it is at equal distance from previous prime (387677) and next prime (387679).

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

387678 is an admirable number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32301 + ... + 32312.

It is an arithmetic number, because the mean of its divisors is an integer number (96921).

2³⁸⁷⁶⁷⁸ is an apocalyptic number.

387678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

387678 is a wasteful number, since it uses less digits than its factorization.

387678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64618.

The product of its digits is 56448, while the sum is 39.

The square root of 387678 is about 622.6379365249. The cubic root of 387678 is about 72.9161481686.

The spelling of 387678 in words is "three hundred eighty-seven thousand, six hundred seventy-eight".