1067609 has 4 divisors (see below), whose sum is σ = 1102080. Its totient is φ = 1033140.

The previous prime is 1067597. The next prime is 1067611. The reversal of 1067609 is 9067601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1067609 - 2⁴ = 1067593 is a prime.

It is a super-2 number, since 2×1067609² = 2279577953762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1067639) 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, 17189 + ... + 17250.

It is an arithmetic number, because the mean of its divisors is an integer number (275520).

2^1067609 is an apocalyptic number.

It is an amenable number.

1067609 is a deficient number, since it is larger than the sum of its proper divisors (34471).

1067609 is an equidigital number, since it uses as much as digits as its factorization.

1067609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34470.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1067609 is about 1033.2516634393. The cubic root of 1067609 is about 102.2046704182.

The spelling of 1067609 in words is "one million, sixty-seven thousand, six hundred nine".