3978014 has 4 divisors (see below), whose sum is σ = 5967024. Its totient is φ = 1989006.

The previous prime is 3977999. The next prime is 3978031. The reversal of 3978014 is 4108793.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 994502 + ... + 994505.

It is an arithmetic number, because the mean of its divisors is an integer number (1491756).

Almost surely, 2^3978014 is an apocalyptic number.

3978014 is a deficient number, since it is larger than the sum of its proper divisors (1989010).

3978014 is a wasteful number, since it uses less digits than its factorization.

3978014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989009.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3978014 is about 1994.4959262932. The cubic root of 3978014 is about 158.4487323700.

The spelling of 3978014 in words is "three million, nine hundred seventy-eight thousand, fourteen".