98544637 has 2 divisors, whose sum is σ = 98544638. Its totient is φ = 98544636.

The previous prime is 98544617. The next prime is 98544683. The reversal of 98544637 is 73644589.

It is an a-pointer prime, because the next prime (98544683) can be obtained adding 98544637 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94109401 + 4435236 = 9701^2 + 2106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98544637 is a prime.

It is a super-2 number, since 2×98544637² = 19422090962923538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98544617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49272318 + 49272319.

It is an arithmetic number, because the mean of its divisors is an integer number (49272319).

Almost surely, 2^98544637 is an apocalyptic number.

It is an amenable number.

98544637 is a deficient number, since it is larger than the sum of its proper divisors (1).

98544637 is an equidigital number, since it uses as much as digits as its factorization.

98544637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 98544637 is about 9926.9651455014. The cubic root of 98544637 is about 461.8961383314.

The spelling of 98544637 in words is "ninety-eight million, five hundred forty-four thousand, six hundred thirty-seven".