99784241 has 4 divisors (see below), whose sum is σ = 100716912. Its totient is φ = 98851572.

The previous prime is 99784229. The next prime is 99784259. The reversal of 99784241 is 14248799.

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 a de Polignac number, because none of the positive numbers 2^k-99784241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99784192 and 99784201.

It is not an unprimeable number, because it can be changed into a prime (99784291) 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, 466175 + ... + 466388.

It is an arithmetic number, because the mean of its divisors is an integer number (25179228).

Almost surely, 2^99784241 is an apocalyptic number.

It is an amenable number.

99784241 is a deficient number, since it is larger than the sum of its proper divisors (932671).

99784241 is a wasteful number, since it uses less digits than its factorization.

99784241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932670.

The product of its digits is 145152, while the sum is 44.

The square root of 99784241 is about 9989.2062247208. The cubic root of 99784241 is about 463.8248214680.

The spelling of 99784241 in words is "ninety-nine million, seven hundred eighty-four thousand, two hundred forty-one".