3878713 has 2 divisors, whose sum is σ = 3878714. Its totient is φ = 3878712.

The previous prime is 3878701. The next prime is 3878741. The reversal of 3878713 is 3178783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3636649 + 242064 = 1907^2 + 492^2 .

It is an emirp because it is prime and its reverse (3178783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3878713 - 2⁵ = 3878681 is a prime.

3878713 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3878753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939356 + 1939357.

It is an arithmetic number, because the mean of its divisors is an integer number (1939357).

Almost surely, 2^3878713 is an apocalyptic number.

It is an amenable number.

3878713 is a deficient number, since it is larger than the sum of its proper divisors (1).

3878713 is an equidigital number, since it uses as much as digits as its factorization.

3878713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 3878713 is about 1969.4448456354. Note that the first 3 decimals coincide. The cubic root of 3878713 is about 157.1191841159.

The spelling of 3878713 in words is "three million, eight hundred seventy-eight thousand, seven hundred thirteen".