3871734 has 16 divisors (see below), whose sum is σ = 7821360. Its totient is φ = 1277600.

The previous prime is 3871691. The next prime is 3871759. The reversal of 3871734 is 4371783.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3871695 and 3871704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2589 + ... + 3800.

It is an arithmetic number, because the mean of its divisors is an integer number (488835).

Almost surely, 2^3871734 is an apocalyptic number.

3871734 is an abundant number, since it is smaller than the sum of its proper divisors (3949626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3871734 is a wasteful number, since it uses less digits than its factorization.

3871734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6495.

The product of its digits is 14112, while the sum is 33.

The square root of 3871734 is about 1967.6722288023. The cubic root of 3871734 is about 157.0248922626.

The spelling of 3871734 in words is "three million, eight hundred seventy-one thousand, seven hundred thirty-four".