98993693 has 2 divisors, whose sum is σ = 98993694. Its totient is φ = 98993692.

The previous prime is 98993651. The next prime is 98993701. The reversal of 98993693 is 39639989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51079609 + 47914084 = 7147^2 + 6922^2 .

It is a cyclic number.

It is not a de Polignac number, because 98993693 - 2²⁰ = 97945117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98993593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49496846 + 49496847.

It is an arithmetic number, because the mean of its divisors is an integer number (49496847).

Almost surely, 2^98993693 is an apocalyptic number.

It is an amenable number.

98993693 is a deficient number, since it is larger than the sum of its proper divisors (1).

98993693 is an equidigital number, since it uses as much as digits as its factorization.

98993693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2834352, while the sum is 56.

The square root of 98993693 is about 9949.5574273432. The cubic root of 98993693 is about 462.5966769413.

The spelling of 98993693 in words is "ninety-eight million, nine hundred ninety-three thousand, six hundred ninety-three".