2131726 has 8 divisors (see below), whose sum is σ = 3206304. Its totient is φ = 1062960.

The previous prime is 2131721. The next prime is 2131771. The reversal of 2131726 is 6271312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2131697 and 2131706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131721) 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, 375 + ... + 2098.

It is an arithmetic number, because the mean of its divisors is an integer number (400788).

2^2131726 is an apocalyptic number.

2131726 is a deficient number, since it is larger than the sum of its proper divisors (1074578).

2131726 is a wasteful number, since it uses less digits than its factorization.

2131726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906.

The product of its digits is 504, while the sum is 22.

The square root of 2131726 is about 1460.0431500473. The cubic root of 2131726 is about 128.6995793395.

The spelling of 2131726 in words is "two million, one hundred thirty-one thousand, seven hundred twenty-six".