2026669 has 2 divisors, whose sum is σ = 2026670. Its totient is φ = 2026668.

The previous prime is 2026663. The next prime is 2026679. The reversal of 2026669 is 9666202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1876900 + 149769 = 1370^2 + 387^2 .

It is a cyclic number.

It is not a de Polignac number, because 2026669 - 2¹⁹ = 1502381 is a prime.

It is a super-2 number, since 2×2026669² = 8214774471122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2026669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2026663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013334 + 1013335.

It is an arithmetic number, because the mean of its divisors is an integer number (1013335).

2^2026669 is an apocalyptic number.

It is an amenable number.

2026669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026669 is an equidigital number, since it uses as much as digits as its factorization.

2026669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2026669 is about 1423.6112531165. The cubic root of 2026669 is about 126.5496480066.

The spelling of 2026669 in words is "two million, twenty-six thousand, six hundred sixty-nine".