1406684 has 24 divisors (see below), whose sum is σ = 2634240. Its totient is φ = 655344.

The previous prime is 1406683. The next prime is 1406689. The reversal of 1406684 is 4866041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406683) 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 7 ways as a sum of consecutive naturals, for example, 6197 + ... + 6419.

It is an arithmetic number, because the mean of its divisors is an integer number (109760).

2^1406684 is an apocalyptic number.

It is an amenable number.

1406684 is a deficient number, since it is larger than the sum of its proper divisors (1227556).

1406684 is a wasteful number, since it uses less digits than its factorization.

1406684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1406684 is about 1186.0370989139. The cubic root of 1406684 is about 112.0466429876.

The spelling of 1406684 in words is "one million, four hundred six thousand, six hundred eighty-four".