3968266 has 4 divisors (see below), whose sum is σ = 5952402. Its totient is φ = 1984132.

The previous prime is 3968231. The next prime is 3968291. The reversal of 3968266 is 6628693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6628693 = 113 ⋅58661.

It can be written as a sum of positive squares in only one way, i.e., 3294225 + 674041 = 1815^2 + 821^2 .

It is a d-powerful number, because it can be written as 3¹¹ + 9⁴ + 6 + 8 + 2²¹ + 6⁵ + 6⁸ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 992065 + ... + 992068.

Almost surely, 2^3968266 is an apocalyptic number.

3968266 is a deficient number, since it is larger than the sum of its proper divisors (1984136).

3968266 is a wasteful number, since it uses less digits than its factorization.

3968266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984135.

The product of its digits is 93312, while the sum is 40.

The square root of 3968266 is about 1992.0507021660. The cubic root of 3968266 is about 158.3192019398.

The spelling of 3968266 in words is "three million, nine hundred sixty-eight thousand, two hundred sixty-six".