3878379 has 12 divisors (see below), whose sum is σ = 5783232. Its totient is φ = 2502000.

The previous prime is 3878359. The next prime is 3878389. The reversal of 3878379 is 9738783.

It is not a de Polignac number, because 3878379 - 2¹⁶ = 3812843 is a prime.

3878379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3878359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6672 + ... + 7229.

It is an arithmetic number, because the mean of its divisors is an integer number (481936).

Almost surely, 2^3878379 is an apocalyptic number.

3878379 is a deficient number, since it is larger than the sum of its proper divisors (1904853).

3878379 is a wasteful number, since it uses less digits than its factorization.

3878379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13938 (or 13935 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 3878379 is about 1969.3600483406. The cubic root of 3878379 is about 157.1146740878.

The spelling of 3878379 in words is "three million, eight hundred seventy-eight thousand, three hundred seventy-nine".