3980678 has 16 divisors (see below), whose sum is σ = 6464976. Its totient is φ = 1827360.

The previous prime is 3980663. The next prime is 3980687. The reversal of 3980678 is 8760893.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 7088 + ... + 7628.

It is an arithmetic number, because the mean of its divisors is an integer number (404061).

Almost surely, 2^3980678 is an apocalyptic number.

3980678 is a deficient number, since it is larger than the sum of its proper divisors (2484298).

3980678 is a wasteful number, since it uses less digits than its factorization.

3980678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 3980678 is about 1995.1636524356. The cubic root of 3980678 is about 158.4840945073.

The spelling of 3980678 in words is "three million, nine hundred eighty thousand, six hundred seventy-eight".