99380653 has 4 divisors (see below), whose sum is σ = 99405468. Its totient is φ = 99355840.

The previous prime is 99380647. The next prime is 99380663. The reversal of 99380653 is 35608399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35608399 = 401 ⋅88799.

It can be written as a sum of positive squares in 2 ways, for example, as 85340644 + 14040009 = 9238^2 + 3747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99380653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99380663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4876 + ... + 14917.

It is an arithmetic number, because the mean of its divisors is an integer number (24851367).

Almost surely, 2^99380653 is an apocalyptic number.

It is an amenable number.

99380653 is a deficient number, since it is larger than the sum of its proper divisors (24815).

99380653 is a wasteful number, since it uses less digits than its factorization.

99380653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24814.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 99380653 is about 9968.9845520996. The cubic root of 99380653 is about 463.1986468526.

The spelling of 99380653 in words is "ninety-nine million, three hundred eighty thousand, six hundred fifty-three".