99986193 has 6 divisors (see below), whose sum is σ = 144424514. Its totient is φ = 66657456.

The previous prime is 99986153. The next prime is 99986233. The reversal of 99986193 is 39168999.

It is an interprime number because it is at equal distance from previous prime (99986153) and next prime (99986233).

It can be written as a sum of positive squares in only one way, i.e., 79709184 + 20277009 = 8928^2 + 4503^2 .

It is not a de Polignac number, because 99986193 - 2⁹ = 99985681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99986123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5554780 + ... + 5554797.

Almost surely, 2^99986193 is an apocalyptic number.

It is an amenable number.

99986193 is a deficient number, since it is larger than the sum of its proper divisors (44438321).

99986193 is a wasteful number, since it uses less digits than its factorization.

99986193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109583 (or 11109580 counting only the distinct ones).

The product of its digits is 944784, while the sum is 54.

The square root of 99986193 is about 9999.3096261692. The cubic root of 99986193 is about 464.1375202390.

The spelling of 99986193 in words is "ninety-nine million, nine hundred eighty-six thousand, one hundred ninety-three".