984308089 has 2 divisors, whose sum is σ = 984308090. Its totient is φ = 984308088.

The previous prime is 984308057. The next prime is 984308113. The reversal of 984308089 is 980803489.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 956850489 + 27457600 = 30933^2 + 5240^2 .

It is a cyclic number.

It is not a de Polignac number, because 984308089 - 2⁵ = 984308057 is a prime.

It is a super-3 number, since 3×984308089³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (984308389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492154044 + 492154045.

It is an arithmetic number, because the mean of its divisors is an integer number (492154045).

Almost surely, 2^984308089 is an apocalyptic number.

It is an amenable number.

984308089 is a deficient number, since it is larger than the sum of its proper divisors (1).

984308089 is an equidigital number, since it uses as much as digits as its factorization.

984308089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 984308089 is about 31373.6846576872. The cubic root of 984308089 is about 994.7417623991.

The spelling of 984308089 in words is "nine hundred eighty-four million, three hundred eight thousand, eighty-nine".