3968626 has 8 divisors (see below), whose sum is σ = 5961564. Its totient is φ = 1981440.

The previous prime is 3968617. The next prime is 3968647. The reversal of 3968626 is 6268693.

It can be written as a sum of positive squares in 2 ways, for example, as 3667225 + 301401 = 1915^2 + 549^2 .

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

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, 1446 + ... + 3166.

Almost surely, 2^3968626 is an apocalyptic number.

3968626 is a deficient number, since it is larger than the sum of its proper divisors (1992938).

3968626 is a wasteful number, since it uses less digits than its factorization.

3968626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876.

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

The square root of 3968626 is about 1992.1410592626. The cubic root of 3968626 is about 158.3239893532.

The spelling of 3968626 in words is "three million, nine hundred sixty-eight thousand, six hundred twenty-six".