984609677 has 2 divisors, whose sum is σ = 984609678. Its totient is φ = 984609676.

The previous prime is 984609667. The next prime is 984609707. The reversal of 984609677 is 776906489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 621554761 + 363054916 = 24931^2 + 19054^2 .

It is a cyclic number.

It is not a de Polignac number, because 984609677 - 2²⁴ = 967832461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (984609667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492304838 + 492304839.

It is an arithmetic number, because the mean of its divisors is an integer number (492304839).

Almost surely, 2^984609677 is an apocalyptic number.

It is an amenable number.

984609677 is a deficient number, since it is larger than the sum of its proper divisors (1).

984609677 is an equidigital number, since it uses as much as digits as its factorization.

984609677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The square root of 984609677 is about 31378.4906743457. The cubic root of 984609677 is about 994.8433469698.

The spelling of 984609677 in words is "nine hundred eighty-four million, six hundred nine thousand, six hundred seventy-seven".