3993708266 has 16 divisors (see below), whose sum is σ = 6052921128. Its totient is φ = 1976088000.

The previous prime is 3993708259. The next prime is 3993708281. The reversal of 3993708266 is 6628073993.

It can be written as a sum of positive squares in 4 ways, for example, as 3991080625 + 2627641 = 63175^2 + 1621^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550076 + ... + 557288.

Almost surely, 2^3993708266 is an apocalyptic number.

3993708266 is a deficient number, since it is larger than the sum of its proper divisors (2059212862).

3993708266 is a wasteful number, since it uses less digits than its factorization.

3993708266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10057.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The square root of 3993708266 is about 63195.7931036552. The cubic root of 3993708266 is about 1586.5683231089.

The spelling of 3993708266 in words is "three billion, nine hundred ninety-three million, seven hundred eight thousand, two hundred sixty-six".