3940226 has 16 divisors (see below), whose sum is σ = 6295320. Its totient is φ = 1849600.

The previous prime is 3940217. The next prime is 3940231. The reversal of 3940226 is 6220493.

3940226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1985²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 3940225 + 1 = 1985^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3940195 and 3940204.

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, 9626 + ... + 10026.

Almost surely, 2^3940226 is an apocalyptic number.

3940226 is a deficient number, since it is larger than the sum of its proper divisors (2355094).

3940226 is an equidigital number, since it uses as much as digits as its factorization.

3940226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3940226 is about 1985.0002518892. Note that the first 3 decimals coincide. The cubic root of 3940226 is about 157.9454225853.

The spelling of 3940226 in words is "three million, nine hundred forty thousand, two hundred twenty-six".