3979678 has 8 divisors (see below), whose sum is σ = 6096672. Its totient is φ = 1947456.

The previous prime is 3979669. The next prime is 3979691. The reversal of 3979678 is 8769793.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21075 + ... + 21262.

It is an arithmetic number, because the mean of its divisors is an integer number (762084).

Almost surely, 2^3979678 is an apocalyptic number.

3979678 is a deficient number, since it is larger than the sum of its proper divisors (2116994).

3979678 is a wasteful number, since it uses less digits than its factorization.

3979678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42386.

The product of its digits is 571536, while the sum is 49.

The square root of 3979678 is about 1994.9130306858. The cubic root of 3979678 is about 158.4708222819.

The spelling of 3979678 in words is "three million, nine hundred seventy-nine thousand, six hundred seventy-eight".