1606844 has 6 divisors (see below), whose sum is σ = 2811984. Its totient is φ = 803420.

The previous prime is 1606841. The next prime is 1606853. The reversal of 1606844 is 4486061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200852 + ... + 200859.

It is an arithmetic number, because the mean of its divisors is an integer number (468664).

2^1606844 is an apocalyptic number.

It is an amenable number.

1606844 is a deficient number, since it is larger than the sum of its proper divisors (1205140).

1606844 is a wasteful number, since it uses less digits than its factorization.

1606844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401715 (or 401713 counting only the distinct ones).

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

The square root of 1606844 is about 1267.6135057659. The cubic root of 1606844 is about 117.1272387891.

The spelling of 1606844 in words is "one million, six hundred six thousand, eight hundred forty-four".