2026664 has 16 divisors (see below), whose sum is σ = 3863220. Its totient is φ = 996480.

The previous prime is 2026663. The next prime is 2026669. The reversal of 2026664 is 4666202.

2026664 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1304164 + 722500 = 1142^2 + 850^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2026663) 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, 1589 + ... + 2564.

2^2026664 is an apocalyptic number.

It is an amenable number.

2026664 is a deficient number, since it is larger than the sum of its proper divisors (1836556).

2026664 is a wasteful number, since it uses less digits than its factorization.

2026664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 4216 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2026664 is about 1423.6094970181. The cubic root of 2026664 is about 126.5495439362.

The spelling of 2026664 in words is "two million, twenty-six thousand, six hundred sixty-four".