993206983 has 2 divisors, whose sum is σ = 993206984. Its totient is φ = 993206982.

The previous prime is 993206933. The next prime is 993206987. The reversal of 993206983 is 389602399.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 993206983 - 2²⁹ = 456336071 is a prime.

It is a super-2 number, since 2×993206983² = 1972920222159924578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993206987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496603491 + 496603492.

It is an arithmetic number, because the mean of its divisors is an integer number (496603492).

Almost surely, 2^993206983 is an apocalyptic number.

993206983 is a deficient number, since it is larger than the sum of its proper divisors (1).

993206983 is an equidigital number, since it uses as much as digits as its factorization.

993206983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 993206983 is about 31515.1865455371. The cubic root of 993206983 is about 997.7305143312.

The spelling of 993206983 in words is "nine hundred ninety-three million, two hundred six thousand, nine hundred eighty-three".