1606424 has 16 divisors (see below), whose sum is σ = 3033600. Its totient is φ = 797472.

The previous prime is 1606403. The next prime is 1606427. The reversal of 1606424 is 4246061.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1606424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617 + ... + 1895.

It is an arithmetic number, because the mean of its divisors is an integer number (189600).

2^1606424 is an apocalyptic number.

It is an amenable number.

1606424 is a deficient number, since it is larger than the sum of its proper divisors (1427176).

1606424 is a wasteful number, since it uses less digits than its factorization.

1606424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1606424 is about 1267.4478293011. The cubic root of 1606424 is about 117.1170329183.

The spelling of 1606424 in words is "one million, six hundred six thousand, four hundred twenty-four".