1406726 has 16 divisors (see below), whose sum is σ = 2247264. Its totient is φ = 658944.

The previous prime is 1406707. The next prime is 1406771. The reversal of 1406726 is 6276041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1406695 and 1406704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (140454).

2^1406726 is an apocalyptic number.

1406726 is a deficient number, since it is larger than the sum of its proper divisors (840538).

1406726 is a wasteful number, since it uses less digits than its factorization.

1406726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1406726 is about 1186.0548048046. The cubic root of 1406726 is about 112.0477581189.

The spelling of 1406726 in words is "one million, four hundred six thousand, seven hundred twenty-six".