1406756 has 18 divisors (see below), whose sum is σ = 2667042. Its totient is φ = 648960.

The previous prime is 1406707. The next prime is 1406771. The reversal of 1406756 is 6576041.

It can be written as a sum of positive squares in 3 ways, for example, as 4900 + 1401856 = 70^2 + 1184^2 .

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 5 ways as a sum of consecutive naturals, for example, 365 + ... + 1716.

It is an arithmetic number, because the mean of its divisors is an integer number (148169).

2^1406756 is an apocalyptic number.

It is an amenable number.

1406756 is a deficient number, since it is larger than the sum of its proper divisors (1260286).

1406756 is a wasteful number, since it uses less digits than its factorization.

1406756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2096 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1406756 is about 1186.0674517075. The cubic root of 1406756 is about 112.0485546277.

The spelling of 1406756 in words is "one million, four hundred six thousand, seven hundred fifty-six".