3861726 has 16 divisors (see below), whose sum is σ = 8425728. Its totient is φ = 1170200.

The previous prime is 3861721. The next prime is 3861743. The reversal of 3861726 is 6271683.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861721) 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, 29190 + ... + 29321.

It is an arithmetic number, because the mean of its divisors is an integer number (526608).

Almost surely, 2^3861726 is an apocalyptic number.

3861726 is an abundant number, since it is smaller than the sum of its proper divisors (4564002).

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

3861726 is a wasteful number, since it uses less digits than its factorization.

3861726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58527.

The product of its digits is 12096, while the sum is 33.

The square root of 3861726 is about 1965.1274767811. The cubic root of 3861726 is about 156.8894782487.

It can be divided in two parts, 386 and 1726, that added together give a palindrome (2112).

The spelling of 3861726 in words is "three million, eight hundred sixty-one thousand, seven hundred twenty-six".