1609007 has 8 divisors (see below), whose sum is σ = 1682640. Its totient is φ = 1536640.

The previous prime is 1608979. The next prime is 1609009. The reversal of 1609007 is 7009061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1609007 - 2⁸ = 1608751 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3032 + ... + 3522.

It is an arithmetic number, because the mean of its divisors is an integer number (210330).

2^1609007 is an apocalyptic number.

1609007 is a deficient number, since it is larger than the sum of its proper divisors (73633).

1609007 is a wasteful number, since it uses less digits than its factorization.

1609007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1609007 is about 1268.4663968746. The cubic root of 1609007 is about 117.1797708799.

The spelling of 1609007 in words is "one million, six hundred nine thousand, seven".