1609044 has 12 divisors (see below), whose sum is σ = 3754464. Its totient is φ = 536344.

The previous prime is 1609043. The next prime is 1609061. The reversal of 1609044 is 4409061.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67032 + ... + 67055.

It is an arithmetic number, because the mean of its divisors is an integer number (312872).

2^1609044 is an apocalyptic number.

It is an amenable number.

1609044 is an abundant number, since it is smaller than the sum of its proper divisors (2145420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1609044 is a wasteful number, since it uses less digits than its factorization.

1609044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134094 (or 134092 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1609044 is about 1268.4809813316. The cubic root of 1609044 is about 117.1806690774.

The spelling of 1609044 in words is "one million, six hundred nine thousand, forty-four".