98440453 has 2 divisors, whose sum is σ = 98440454. Its totient is φ = 98440452.

The previous prime is 98440439. The next prime is 98440481. The reversal of 98440453 is 35404489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97476129 + 964324 = 9873^2 + 982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98440453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98440553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49220226 + 49220227.

It is an arithmetic number, because the mean of its divisors is an integer number (49220227).

Almost surely, 2^98440453 is an apocalyptic number.

It is an amenable number.

98440453 is a deficient number, since it is larger than the sum of its proper divisors (1).

98440453 is an equidigital number, since it uses as much as digits as its factorization.

98440453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 98440453 is about 9921.7162325880. The cubic root of 98440453 is about 461.7333046572.

The spelling of 98440453 in words is "ninety-eight million, four hundred forty thousand, four hundred fifty-three".