2078609 has 8 divisors (see below), whose sum is σ = 2257920. Its totient is φ = 1902096.

The previous prime is 2078603. The next prime is 2078611. The reversal of 2078609 is 9068702.

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 2078609 - 2²⁰ = 1030033 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 (2078603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (282240).

2^2078609 is an apocalyptic number.

It is an amenable number.

2078609 is a deficient number, since it is larger than the sum of its proper divisors (179311).

2078609 is a wasteful number, since it uses less digits than its factorization.

2078609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2078609 is about 1441.7381870506. The cubic root of 2078609 is about 127.6216243000.

The spelling of 2078609 in words is "two million, seventy-eight thousand, six hundred nine".