3997226 has 8 divisors (see below), whose sum is σ = 6021444. Its totient is φ = 1990080.

The previous prime is 3997211. The next prime is 3997241. The reversal of 3997226 is 6227993.

It is an interprime number because it is at equal distance from previous prime (3997211) and next prime (3997241).

It can be written as a sum of positive squares in 2 ways, for example, as 3996001 + 1225 = 1999^2 + 35^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3997226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665 + ... + 4628.

Almost surely, 2^3997226 is an apocalyptic number.

3997226 is a deficient number, since it is larger than the sum of its proper divisors (2024218).

3997226 is a wasteful number, since it uses less digits than its factorization.

3997226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8536.

The product of its digits is 40824, while the sum is 38.

The square root of 3997226 is about 1999.3063797227. The cubic root of 3997226 is about 158.7034012898.

The spelling of 3997226 in words is "three million, nine hundred ninety-seven thousand, two hundred twenty-six".