2078659 has 12 divisors (see below), whose sum is σ = 2346120. Its totient is φ = 1839200.

The previous prime is 2078651. The next prime is 2078677. The reversal of 2078659 is 9568702.

It is not a de Polignac number, because 2078659 - 2³ = 2078651 is a prime.

It is a Duffinian number.

2078659 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2078651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4752 + ... + 5170.

It is an arithmetic number, because the mean of its divisors is an integer number (195510).

2^2078659 is an apocalyptic number.

2078659 is a deficient number, since it is larger than the sum of its proper divisors (267461).

2078659 is a wasteful number, since it uses less digits than its factorization.

2078659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2078659 is about 1441.7555271266. The cubic root of 2078659 is about 127.6226475853.

The spelling of 2078659 in words is "two million, seventy-eight thousand, six hundred fifty-nine".