3966549085 has 8 divisors (see below), whose sum is σ = 4760241120. Its totient is φ = 3172984464.

The previous prime is 3966549071. The next prime is 3966549101. The reversal of 3966549085 is 5809456693.

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

It is a cyclic number.

It is not a de Polignac number, because 3966549085 - 2⁵ = 3966549053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61534 + ... + 108256.

It is an arithmetic number, because the mean of its divisors is an integer number (595030140).

Almost surely, 2^3966549085 is an apocalyptic number.

It is an amenable number.

3966549085 is a deficient number, since it is larger than the sum of its proper divisors (793692035).

3966549085 is a wasteful number, since it uses less digits than its factorization.

3966549085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63707.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The square root of 3966549085 is about 62980.5452897956. The cubic root of 3966549085 is about 1582.9636578380.

The spelling of 3966549085 in words is "three billion, nine hundred sixty-six million, five hundred forty-nine thousand, eighty-five".