3878741 has 2 divisors, whose sum is σ = 3878742. Its totient is φ = 3878740.

The previous prime is 3878713. The next prime is 3878753. The reversal of 3878741 is 1478783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3530641 + 348100 = 1879^2 + 590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3878741 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3878695 and 3878704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3878701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939370 + 1939371.

It is an arithmetic number, because the mean of its divisors is an integer number (1939371).

Almost surely, 2^3878741 is an apocalyptic number.

It is an amenable number.

3878741 is a deficient number, since it is larger than the sum of its proper divisors (1).

3878741 is an equidigital number, since it uses as much as digits as its factorization.

3878741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 38.

The square root of 3878741 is about 1969.4519542248. The cubic root of 3878741 is about 157.1195621904.

The spelling of 3878741 in words is "three million, eight hundred seventy-eight thousand, seven hundred forty-one".