1406443 has 2 divisors, whose sum is σ = 1406444. Its totient is φ = 1406442.

The previous prime is 1406441. The next prime is 1406453. The reversal of 1406443 is 3446041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1406443 - 2¹ = 1406441 is a prime.

Together with 1406441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1406441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703221 + 703222.

It is an arithmetic number, because the mean of its divisors is an integer number (703222).

2^1406443 is an apocalyptic number.

1406443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406443 is an equidigital number, since it uses as much as digits as its factorization.

1406443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1406443 is about 1185.9354957164. The cubic root of 1406443 is about 112.0402438287.

It can be divided in two parts, 1406 and 443, that added together give a square (1849 = 43²).

The spelling of 1406443 in words is "one million, four hundred six thousand, four hundred forty-three".