939887966 has 8 divisors (see below), whose sum is σ = 1411023240. Its totient is φ = 469546888.

The previous prime is 939887947. The next prime is 939887969. The reversal of 939887966 is 669788939.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939887969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195581 + ... + 200328.

It is an arithmetic number, because the mean of its divisors is an integer number (176377905).

Almost surely, 2^939887966 is an apocalyptic number.

939887966 is a deficient number, since it is larger than the sum of its proper divisors (471135274).

939887966 is a wasteful number, since it uses less digits than its factorization.

939887966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397098.

The product of its digits is 35271936, while the sum is 65.

The square root of 939887966 is about 30657.5923059852. The cubic root of 939887966 is about 979.5471898111.

The spelling of 939887966 in words is "nine hundred thirty-nine million, eight hundred eighty-seven thousand, nine hundred sixty-six".