3878711 has 4 divisors (see below), whose sum is σ = 3893400. Its totient is φ = 3864024.

The previous prime is 3878701. The next prime is 3878713. The reversal of 3878711 is 1178783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1178783 = 37 ⋅31859.

It is a cyclic number.

It is not a de Polignac number, because 3878711 - 2⁶ = 3878647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6941 + ... + 7478.

It is an arithmetic number, because the mean of its divisors is an integer number (973350).

Almost surely, 2^3878711 is an apocalyptic number.

3878711 is a deficient number, since it is larger than the sum of its proper divisors (14689).

3878711 is a wasteful number, since it uses less digits than its factorization.

3878711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14688.

The product of its digits is 9408, while the sum is 35.

The square root of 3878711 is about 1969.4443378781. Note that the first 3 decimals coincide. The cubic root of 3878711 is about 157.1191571105.

The spelling of 3878711 in words is "three million, eight hundred seventy-eight thousand, seven hundred eleven".