3993226 has 4 divisors (see below), whose sum is σ = 5989842. Its totient is φ = 1996612.

The previous prime is 3993221. The next prime is 3993229. The reversal of 3993226 is 6223993.

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., 3744225 + 249001 = 1935^2 + 499^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3993191 and 3993200.

It is not an unprimeable number, because it can be changed into a prime (3993221) 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, 998305 + ... + 998308.

Almost surely, 2^3993226 is an apocalyptic number.

3993226 is a deficient number, since it is larger than the sum of its proper divisors (1996616).

3993226 is a wasteful number, since it uses less digits than its factorization.

3993226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996615.

The product of its digits is 17496, while the sum is 34.

The square root of 3993226 is about 1998.3057824067. The cubic root of 3993226 is about 158.6504457756.

It can be divided in two parts, 399322 and 6, that multiplied together give a palindrome (2395932).

The spelling of 3993226 in words is "three million, nine hundred ninety-three thousand, two hundred twenty-six".