98921743 has 2 divisors, whose sum is σ = 98921744. Its totient is φ = 98921742.

The previous prime is 98921737. The next prime is 98921773. The reversal of 98921743 is 34712989.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98921743 is a prime.

It is a super-2 number, since 2×98921743² = 19571022476316098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98921743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98921773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49460871 + 49460872.

It is an arithmetic number, because the mean of its divisors is an integer number (49460872).

Almost surely, 2^98921743 is an apocalyptic number.

98921743 is a deficient number, since it is larger than the sum of its proper divisors (1).

98921743 is an equidigital number, since it uses as much as digits as its factorization.

98921743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 98921743 is about 9945.9410313957. The cubic root of 98921743 is about 462.4845758674.

The spelling of 98921743 in words is "ninety-eight million, nine hundred twenty-one thousand, seven hundred forty-three".