2821926 has 16 divisors (see below), whose sum is σ = 5686704. Its totient is φ = 933504.

The previous prime is 2821919. The next prime is 2821933. The reversal of 2821926 is 6291282.

2821926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2821919) and next prime (2821933).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2821893 and 2821902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895 + ... + 2538.

It is an arithmetic number, because the mean of its divisors is an integer number (355419).

2^2821926 is an apocalyptic number.

2821926 is an abundant number, since it is smaller than the sum of its proper divisors (2864778).

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

2821926 is a wasteful number, since it uses less digits than its factorization.

2821926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575.

The product of its digits is 3456, while the sum is 30.

The square root of 2821926 is about 1679.8589226480. The cubic root of 2821926 is about 141.3129210365.

The spelling of 2821926 in words is "two million, eight hundred twenty-one thousand, nine hundred twenty-six".