993317966 has 8 divisors (see below), whose sum is σ = 1492385880. Its totient is φ = 495856008.

The previous prime is 993317959. The next prime is 993317971. The reversal of 993317966 is 669713399.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399941 + ... + 402416.

It is an arithmetic number, because the mean of its divisors is an integer number (186548235).

Almost surely, 2^993317966 is an apocalyptic number.

993317966 is a deficient number, since it is larger than the sum of its proper divisors (499067914).

993317966 is a wasteful number, since it uses less digits than its factorization.

993317966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802978.

The product of its digits is 1653372, while the sum is 53.

The square root of 993317966 is about 31516.9472823749. The cubic root of 993317966 is about 997.7676757700.

The spelling of 993317966 in words is "nine hundred ninety-three million, three hundred seventeen thousand, nine hundred sixty-six".