3812266 has 4 divisors (see below), whose sum is σ = 5718402. Its totient is φ = 1906132.

The previous prime is 3812261. The next prime is 3812269. The reversal of 3812266 is 6622183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6622183 = 23 ⋅287921.

It can be written as a sum of positive squares in only one way, i.e., 3783025 + 29241 = 1945^2 + 171^2 .

It is not an unprimeable number, because it can be changed into a prime (3812261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953065 + ... + 953068.

Almost surely, 2^3812266 is an apocalyptic number.

3812266 is a deficient number, since it is larger than the sum of its proper divisors (1906136).

3812266 is a wasteful number, since it uses less digits than its factorization.

3812266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906135.

The product of its digits is 3456, while the sum is 28.

The square root of 3812266 is about 1952.5024967974. The cubic root of 3812266 is about 156.2167980653.

The spelling of 3812266 in words is "three million, eight hundred twelve thousand, two hundred sixty-six".