98854409 has 2 divisors, whose sum is σ = 98854410. Its totient is φ = 98854408.

The previous prime is 98854369. The next prime is 98854421. The reversal of 98854409 is 90445889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96098809 + 2755600 = 9803^2 + 1660^2 .

It is a cyclic number.

It is not a de Polignac number, because 98854409 - 2¹² = 98850313 is a prime.

It is not a weakly prime, because it can be changed into another prime (98854109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49427204 + 49427205.

It is an arithmetic number, because the mean of its divisors is an integer number (49427205).

Almost surely, 2^98854409 is an apocalyptic number.

It is an amenable number.

98854409 is a deficient number, since it is larger than the sum of its proper divisors (1).

98854409 is an equidigital number, since it uses as much as digits as its factorization.

98854409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 98854409 is about 9942.5554562195. Note that the first 3 decimals coincide. The cubic root of 98854409 is about 462.3796174635.

The spelling of 98854409 in words is "ninety-eight million, eight hundred fifty-four thousand, four hundred nine".