3871723 has 4 divisors (see below), whose sum is σ = 3885688. Its totient is φ = 3857760.

The previous prime is 3871691. The next prime is 3871759. The reversal of 3871723 is 3271783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3271783 = 271 ⋅12073.

It is a cyclic number.

It is not a de Polignac number, because 3871723 - 2⁵ = 3871691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3871783) 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, 6558 + ... + 7123.

It is an arithmetic number, because the mean of its divisors is an integer number (971422).

Almost surely, 2^3871723 is an apocalyptic number.

3871723 is a deficient number, since it is larger than the sum of its proper divisors (13965).

3871723 is a wasteful number, since it uses less digits than its factorization.

3871723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13964.

The product of its digits is 7056, while the sum is 31.

The square root of 3871723 is about 1967.6694336194. The cubic root of 3871723 is about 157.0247435544.

The spelling of 3871723 in words is "three million, eight hundred seventy-one thousand, seven hundred twenty-three".