3879779 has 4 divisors (see below), whose sum is σ = 3883776. Its totient is φ = 3875784.

The previous prime is 3879773. The next prime is 3879793. The reversal of 3879779 is 9779783.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9779783 = 13 ⋅752291.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3879779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3879773) 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 3 ways as a sum of consecutive naturals, for example, 497 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (970944).

Almost surely, 2^3879779 is an apocalyptic number.

3879779 is a deficient number, since it is larger than the sum of its proper divisors (3997).

3879779 is a wasteful number, since it uses less digits than its factorization.

3879779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996.

The product of its digits is 666792, while the sum is 50.

The square root of 3879779 is about 1969.7154616848. The cubic root of 3879779 is about 157.1335766656.

The spelling of 3879779 in words is "three million, eight hundred seventy-nine thousand, seven hundred seventy-nine".