1406006 has 12 divisors (see below), whose sum is σ = 2453508. Its totient is φ = 602532.

The previous prime is 1405997. The next prime is 1406011. The reversal of 1406006 is 6006041.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 7076 + ... + 7271.

It is an arithmetic number, because the mean of its divisors is an integer number (204459).

2^1406006 is an apocalyptic number.

1406006 is a deficient number, since it is larger than the sum of its proper divisors (1047502).

1406006 is a wasteful number, since it uses less digits than its factorization.

1406006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14363 (or 14356 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1406006 is about 1185.7512386669. The cubic root of 1406006 is about 112.0286385098.

The spelling of 1406006 in words is "one million, four hundred six thousand, six".