1609049 has 6 divisors (see below), whose sum is σ = 1742526. Its totient is φ = 1485120.

The previous prime is 1609043. The next prime is 1609061. The reversal of 1609049 is 9409061.

It can be written as a sum of positive squares in 3 ways, for example, as 1225 + 1607824 = 35^2 + 1268^2 .

It is not a de Polignac number, because 1609049 - 2¹⁶ = 1543513 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 4592 + ... + 4929.

It is an arithmetic number, because the mean of its divisors is an integer number (290421).

2^1609049 is an apocalyptic number.

It is an amenable number.

1609049 is a deficient number, since it is larger than the sum of its proper divisors (133477).

1609049 is an equidigital number, since it uses as much as digits as its factorization.

1609049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9547 (or 9534 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1609049 is about 1268.4829521913. The cubic root of 1609049 is about 117.1807904544.

The spelling of 1609049 in words is "one million, six hundred nine thousand, forty-nine".