1406743 has 4 divisors (see below), whose sum is σ = 1514968. Its totient is φ = 1298520.

The previous prime is 1406707. The next prime is 1406771. The reversal of 1406743 is 3476041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1406743 - 2⁹ = 1406231 is a prime.

1406743 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54093 + ... + 54118.

It is an arithmetic number, because the mean of its divisors is an integer number (378742).

2^1406743 is an apocalyptic number.

1406743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1406743 is a deficient number, since it is larger than the sum of its proper divisors (108225).

1406743 is a wasteful number, since it uses less digits than its factorization.

1406743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108224.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1406743 is about 1186.0619713995. The cubic root of 1406743 is about 112.0482094752.

The spelling of 1406743 in words is "one million, four hundred six thousand, seven hundred forty-three".