3978676 has 24 divisors (see below), whose sum is σ = 7894880. Its totient is φ = 1739232.

The previous prime is 3978673. The next prime is 3978683. The reversal of 3978676 is 6768793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978671) 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, 1026 + ... + 3001.

Almost surely, 2^3978676 is an apocalyptic number.

It is an amenable number.

3978676 is a deficient number, since it is larger than the sum of its proper divisors (3916204).

3978676 is a wasteful number, since it uses less digits than its factorization.

3978676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063 (or 4061 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 3978676 is about 1994.6618761083. The cubic root of 3978676 is about 158.4575212818.

The spelling of 3978676 in words is "three million, nine hundred seventy-eight thousand, six hundred seventy-six".