3909226 has 4 divisors (see below), whose sum is σ = 5863842. Its totient is φ = 1954612.

The previous prime is 3909221. The next prime is 3909233. The reversal of 3909226 is 6229093.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3426201 + 483025 = 1851^2 + 695^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3909221) by changing a digit.

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 as a sum of consecutive naturals, namely, 977305 + ... + 977308.

Almost surely, 2^3909226 is an apocalyptic number.

3909226 is a deficient number, since it is larger than the sum of its proper divisors (1954616).

3909226 is a wasteful number, since it uses less digits than its factorization.

3909226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954615.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3909226 is about 1977.1762693296. The cubic root of 3909226 is about 157.5301160182.

The spelling of 3909226 in words is "three million, nine hundred nine thousand, two hundred twenty-six".