98454689 has 2 divisors, whose sum is σ = 98454690. Its totient is φ = 98454688.

The previous prime is 98454679. The next prime is 98454721. The reversal of 98454689 is 98645489.

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., 98168464 + 286225 = 9908^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 98454689 - 2²⁴ = 81677473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98454689.

It is not a weakly prime, because it can be changed into another prime (98454679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49227344 + 49227345.

It is an arithmetic number, because the mean of its divisors is an integer number (49227345).

Almost surely, 2^98454689 is an apocalyptic number.

It is an amenable number.

98454689 is a deficient number, since it is larger than the sum of its proper divisors (1).

98454689 is an equidigital number, since it uses as much as digits as its factorization.

98454689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 53.

The square root of 98454689 is about 9922.4336228568. The cubic root of 98454689 is about 461.7555614913.

The spelling of 98454689 in words is "ninety-eight million, four hundred fifty-four thousand, six hundred eighty-nine".