98023909 has 2 divisors, whose sum is σ = 98023910. Its totient is φ = 98023908.

The previous prime is 98023903. The next prime is 98023927. The reversal of 98023909 is 90932089.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96530625 + 1493284 = 9825^2 + 1222^2 .

It is a cyclic number.

It is not a de Polignac number, because 98023909 - 2³ = 98023901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98023901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49011954 + 49011955.

It is an arithmetic number, because the mean of its divisors is an integer number (49011955).

Almost surely, 2^98023909 is an apocalyptic number.

It is an amenable number.

98023909 is a deficient number, since it is larger than the sum of its proper divisors (1).

98023909 is an equidigital number, since it uses as much as digits as its factorization.

98023909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 98023909 is about 9900.7024498265. The cubic root of 98023909 is about 461.0811196678.

The spelling of 98023909 in words is "ninety-eight million, twenty-three thousand, nine hundred nine".