98032309 has 2 divisors, whose sum is σ = 98032310. Its totient is φ = 98032308.

The previous prime is 98032301. The next prime is 98032331. The reversal of 98032309 is 90323089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92640625 + 5391684 = 9625^2 + 2322^2 .

It is an emirp because it is prime and its reverse (90323089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98032309 - 2³ = 98032301 is a prime.

It is a super-2 number, since 2×98032309² = 19220667215742962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98032301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49016154 + 49016155.

It is an arithmetic number, because the mean of its divisors is an integer number (49016155).

Almost surely, 2^98032309 is an apocalyptic number.

It is an amenable number.

98032309 is a deficient number, since it is larger than the sum of its proper divisors (1).

98032309 is an equidigital number, since it uses as much as digits as its factorization.

98032309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 98032309 is about 9901.1266530633. The cubic root of 98032309 is about 461.0942898247.

The spelling of 98032309 in words is "ninety-eight million, thirty-two thousand, three hundred nine".