984996983 has 8 divisors (see below), whose sum is σ = 1050553152. Its totient is φ = 920286976.

The previous prime is 984996979. The next prime is 984997019. The reversal of 984996983 is 389699489.

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

It is not a de Polignac number, because 984996983 - 2² = 984996979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984996283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209135 + ... + 213792.

It is an arithmetic number, because the mean of its divisors is an integer number (131319144).

Almost surely, 2^984996983 is an apocalyptic number.

984996983 is a deficient number, since it is larger than the sum of its proper divisors (65556169).

984996983 is a wasteful number, since it uses less digits than its factorization.

984996983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423081.

The product of its digits is 30233088, while the sum is 65.

The square root of 984996983 is about 31384.6615881070. The cubic root of 984996983 is about 994.9737737084.

The spelling of 984996983 in words is "nine hundred eighty-four million, nine hundred ninety-six thousand, nine hundred eighty-three".