99995393 has 4 divisors (see below), whose sum is σ = 103443540. Its totient is φ = 96547248.

The previous prime is 99995317. The next prime is 99995407. The reversal of 99995393 is 39359999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39359999 = 7 ⋅5622857.

It can be written as a sum of positive squares in 2 ways, for example, as 77933584 + 22061809 = 8828^2 + 4697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99995393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99995303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724030 + ... + 1724087.

It is an arithmetic number, because the mean of its divisors is an integer number (25860885).

Almost surely, 2^99995393 is an apocalyptic number.

It is an amenable number.

99995393 is a deficient number, since it is larger than the sum of its proper divisors (3448147).

99995393 is a wasteful number, since it uses less digits than its factorization.

99995393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448146.

The product of its digits is 2657205, while the sum is 56.

The square root of 99995393 is about 9999.7696473469. The cubic root of 99995393 is about 464.1517553186.

The spelling of 99995393 in words is "ninety-nine million, nine hundred ninety-five thousand, three hundred ninety-three".