3966949306 has 4 divisors (see below), whose sum is σ = 5950423962. Its totient is φ = 1983474652.

The previous prime is 3966949291. The next prime is 3966949321. The reversal of 3966949306 is 6039496693.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3966949291) and next prime (3966949321).

It can be written as a sum of positive squares in only one way, i.e., 3719170225 + 247779081 = 60985^2 + 15741^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991737325 + ... + 991737328.

Almost surely, 2^3966949306 is an apocalyptic number.

3966949306 is a deficient number, since it is larger than the sum of its proper divisors (1983474656).

3966949306 is a wasteful number, since it uses less digits than its factorization.

3966949306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983474655.

The product of its (nonzero) digits is 5668704, while the sum is 55.

The square root of 3966949306 is about 62983.7225479727. The cubic root of 3966949306 is about 1583.0168958860.

The spelling of 3966949306 in words is "three billion, nine hundred sixty-six million, nine hundred forty-nine thousand, three hundred six".