966635394 has 8 divisors (see below), whose sum is σ = 1933270800. Its totient is φ = 322211796.

The previous prime is 966635377. The next prime is 966635401. The reversal of 966635394 is 493536669.

It is a happy number.

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

966635394 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 80552944 + ... + 80552955.

It is an arithmetic number, because the mean of its divisors is an integer number (241658850).

Almost surely, 2^966635394 is an apocalyptic number.

966635394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

966635394 is a wasteful number, since it uses less digits than its factorization.

966635394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161105904.

The product of its digits is 3149280, while the sum is 51.

The square root of 966635394 is about 31090.7605889595. The cubic root of 966635394 is about 988.7524311637.

The spelling of 966635394 in words is "nine hundred sixty-six million, six hundred thirty-five thousand, three hundred ninety-four".