3886678 has 16 divisors (see below), whose sum is σ = 6405120. Its totient is φ = 1760616.

The previous prime is 3886661. The next prime is 3886679. The reversal of 3886678 is 8766883.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886679) 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, 1350 + ... + 3097.

It is an arithmetic number, because the mean of its divisors is an integer number (400320).

Almost surely, 2^3886678 is an apocalyptic number.

3886678 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3886678 is a deficient number, since it is larger than the sum of its proper divisors (2518442).

3886678 is a wasteful number, since it uses less digits than its factorization.

3886678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491.

The product of its digits is 387072, while the sum is 46.

The square root of 3886678 is about 1971.4659520266. The cubic root of 3886678 is about 157.2266595122.

The spelling of 3886678 in words is "three million, eight hundred eighty-six thousand, six hundred seventy-eight".