2026659 has 4 divisors (see below), whose sum is σ = 2702216. Its totient is φ = 1351104.

The previous prime is 2026639. The next prime is 2026663. The reversal of 2026659 is 9566202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2026659 - 2⁵ = 2026627 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2026639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337774 + ... + 337779.

It is an arithmetic number, because the mean of its divisors is an integer number (675554).

2^2026659 is an apocalyptic number.

2026659 is a deficient number, since it is larger than the sum of its proper divisors (675557).

2026659 is an equidigital number, since it uses as much as digits as its factorization.

2026659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675556.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2026659 is about 1423.6077409174. The cubic root of 2026659 is about 126.5494398656.

The spelling of 2026659 in words is "two million, twenty-six thousand, six hundred fifty-nine".