3966826 has 4 divisors (see below), whose sum is σ = 5950242. Its totient is φ = 1983412.

The previous prime is 3966817. The next prime is 3966857. The reversal of 3966826 is 6286693.

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., 3478225 + 488601 = 1865^2 + 699^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991705 + ... + 991708.

Almost surely, 2^3966826 is an apocalyptic number.

3966826 is a deficient number, since it is larger than the sum of its proper divisors (1983416).

3966826 is a wasteful number, since it uses less digits than its factorization.

3966826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983415.

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

The square root of 3966826 is about 1991.6892327871. The cubic root of 3966826 is about 158.3000493903.

The spelling of 3966826 in words is "three million, nine hundred sixty-six thousand, eight hundred twenty-six".