99800501 has 4 divisors (see below), whose sum is σ = 103019904. Its totient is φ = 96581100.

The previous prime is 99800497. The next prime is 99800531. The reversal of 99800501 is 10500899.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99800501 - 2² = 99800497 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 (99800531) 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, 1609655 + ... + 1609716.

It is an arithmetic number, because the mean of its divisors is an integer number (25754976).

Almost surely, 2^99800501 is an apocalyptic number.

It is an amenable number.

99800501 is a deficient number, since it is larger than the sum of its proper divisors (3219403).

99800501 is a wasteful number, since it uses less digits than its factorization.

99800501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219402.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 99800501 is about 9990.0200700499. The cubic root of 99800501 is about 463.8500137626.

The spelling of 99800501 in words is "ninety-nine million, eight hundred thousand, five hundred one".