1406043 has 6 divisors (see below), whose sum is σ = 2030964. Its totient is φ = 937356.

The previous prime is 1406039. The next prime is 1406051. The reversal of 1406043 is 3406041.

It is not a de Polignac number, because 1406043 - 2² = 1406039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1406033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78105 + ... + 78122.

It is an arithmetic number, because the mean of its divisors is an integer number (338494).

2^1406043 is an apocalyptic number.

1406043 is a deficient number, since it is larger than the sum of its proper divisors (624921).

1406043 is a wasteful number, since it uses less digits than its factorization.

1406043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156233 (or 156230 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1406043 is about 1185.7668404876. The cubic root of 1406043 is about 112.0296212044.

The spelling of 1406043 in words is "one million, four hundred six thousand, forty-three".