99019441 has 4 divisors (see below), whose sum is σ = 104844132. Its totient is φ = 93194752.

The previous prime is 99019433. The next prime is 99019447. The reversal of 99019441 is 14491099.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37161216 + 61858225 = 6096^2 + 7865^2 .

It is a cyclic number.

It is not a de Polignac number, because 99019441 - 2³ = 99019433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99019441.

It is not an unprimeable number, because it can be changed into a prime (99019447) 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, 2912320 + ... + 2912353.

It is an arithmetic number, because the mean of its divisors is an integer number (26211033).

Almost surely, 2^99019441 is an apocalyptic number.

It is an amenable number.

99019441 is a deficient number, since it is larger than the sum of its proper divisors (5824691).

99019441 is a wasteful number, since it uses less digits than its factorization.

99019441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824690.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 99019441 is about 9950.8512701175. The cubic root of 99019441 is about 462.6367801922.

The spelling of 99019441 in words is "ninety-nine million, nineteen thousand, four hundred forty-one".