3871426 has 16 divisors (see below), whose sum is σ = 6358968. Its totient is φ = 1756800.

The previous prime is 3871423. The next prime is 3871433. The reversal of 3871426 is 6241783.

It can be written as a sum of positive squares in 4 ways, for example, as 720801 + 3150625 = 849^2 + 1775^2 .

It is not an unprimeable number, because it can be changed into a prime (3871423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366 + ... + 2806.

Almost surely, 2^3871426 is an apocalyptic number.

3871426 is a deficient number, since it is larger than the sum of its proper divisors (2487542).

3871426 is a wasteful number, since it uses less digits than its factorization.

3871426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517.

The product of its digits is 8064, while the sum is 31.

The square root of 3871426 is about 1967.5939621782. The cubic root of 3871426 is about 157.0207283273.

The spelling of 3871426 in words is "three million, eight hundred seventy-one thousand, four hundred twenty-six".