2026388 has 48 divisors (see below), whose sum is σ = 4609920. Its totient is φ = 756864.

The previous prime is 2026373. The next prime is 2026391. The reversal of 2026388 is 8836202.

2026388 is nontrivially palindromic in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2026388.

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 15 ways as a sum of consecutive naturals, for example, 6770 + ... + 7062.

It is an arithmetic number, because the mean of its divisors is an integer number (96040).

2^2026388 is an apocalyptic number.

2026388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2026388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2304960).

2026388 is an abundant number, since it is smaller than the sum of its proper divisors (2583532).

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

2026388 is a wasteful number, since it uses less digits than its factorization.

2026388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2026388 is about 1423.5125570222. The cubic root of 2026388 is about 126.5437989846.

The spelling of 2026388 in words is "two million, twenty-six thousand, three hundred eighty-eight".