966985394 has 8 divisors (see below), whose sum is σ = 1455715308. Its totient is φ = 481746960.

The previous prime is 966985351. The next prime is 966985399. The reversal of 966985394 is 493589669.

It can be written as a sum of positive squares in 2 ways, for example, as 963792025 + 3193369 = 31045^2 + 1787^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (966985399) 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, 872177 + ... + 873284.

Almost surely, 2^966985394 is an apocalyptic number.

966985394 is a deficient number, since it is larger than the sum of its proper divisors (488729914).

966985394 is a wasteful number, since it uses less digits than its factorization.

966985394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745740.

The product of its digits is 12597120, while the sum is 59.

The square root of 966985394 is about 31096.3887613980. The cubic root of 966985394 is about 988.8717528141.

The spelling of 966985394 in words is "nine hundred sixty-six million, nine hundred eighty-five thousand, three hundred ninety-four".