98071409 has 2 divisors, whose sum is σ = 98071410. Its totient is φ = 98071408.

The previous prime is 98071403. The next prime is 98071427. The reversal of 98071409 is 90417089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91680625 + 6390784 = 9575^2 + 2528^2 .

It is a cyclic number.

It is not a de Polignac number, because 98071409 - 2¹² = 98067313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98071403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49035704 + 49035705.

It is an arithmetic number, because the mean of its divisors is an integer number (49035705).

Almost surely, 2^98071409 is an apocalyptic number.

It is an amenable number.

98071409 is a deficient number, since it is larger than the sum of its proper divisors (1).

98071409 is an equidigital number, since it uses as much as digits as its factorization.

98071409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 98071409 is about 9903.1009789863. The cubic root of 98071409 is about 461.1555838699.

The spelling of 98071409 in words is "ninety-eight million, seventy-one thousand, four hundred nine".