3921226 has 4 divisors (see below), whose sum is σ = 5881842. Its totient is φ = 1960612.

The previous prime is 3921217. The next prime is 3921227. The reversal of 3921226 is 6221293.

It is a happy number.

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., 2356225 + 1565001 = 1535^2 + 1251^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3921226.

It is not an unprimeable number, because it can be changed into a prime (3921227) 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, 980305 + ... + 980308.

Almost surely, 2^3921226 is an apocalyptic number.

3921226 is a deficient number, since it is larger than the sum of its proper divisors (1960616).

3921226 is a wasteful number, since it uses less digits than its factorization.

3921226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960615.

The product of its digits is 1296, while the sum is 25.

The square root of 3921226 is about 1980.2085748729. The cubic root of 3921226 is about 157.6911394047.

The spelling of 3921226 in words is "three million, nine hundred twenty-one thousand, two hundred twenty-six".