2026864 has 20 divisors (see below), whose sum is σ = 4488304. Its totient is φ = 868608.

The previous prime is 2026841. The next prime is 2026877. The reversal of 2026864 is 4686202.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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, 8937 + ... + 9160.

2^2026864 is an apocalyptic number.

It is an amenable number.

2026864 is an abundant number, since it is smaller than the sum of its proper divisors (2461440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2026864 is a wasteful number, since it uses less digits than its factorization.

2026864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18112 (or 18106 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2026864 is about 1423.6797392672. The cubic root of 2026864 is about 126.5537066187.

The spelling of 2026864 in words is "two million, twenty-six thousand, eight hundred sixty-four".