984996993 has 12 divisors (see below), whose sum is σ = 1382784560. Its totient is φ = 621953712.

The previous prime is 984996979. The next prime is 984997019. The reversal of 984996993 is 399699489.

It is not a de Polignac number, because 984996993 - 2⁸ = 984996737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (984996293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234871 + ... + 239027.

Almost surely, 2^984996993 is an apocalyptic number.

It is an amenable number.

984996993 is a deficient number, since it is larger than the sum of its proper divisors (397787567).

984996993 is an frugal number, since it uses more digits than its factorization.

984996993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336 (or 4179 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 66.

The square root of 984996993 is about 31384.6617474205. The cubic root of 984996993 is about 994.9737770755.

The spelling of 984996993 in words is "nine hundred eighty-four million, nine hundred ninety-six thousand, nine hundred ninety-three".