999447341 has 4 divisors (see below), whose sum is σ = 1018304892. Its totient is φ = 980589792.

The previous prime is 999447331. The next prime is 999447353. The reversal of 999447341 is 143744999.

999447341 = 22354² + 22355².

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 499701316 + 499746025 = 22354^2 + 22355^2 .

It is a cyclic number.

It is not a de Polignac number, because 999447341 - 2⁶ = 999447277 is a prime.

It is a super-3 number, since 3×999447341³ (a number of 28 digits) contains 333 as substring.

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 999447341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999447331) 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, 9428696 + ... + 9428801.

It is an arithmetic number, because the mean of its divisors is an integer number (254576223).

Almost surely, 2^999447341 is an apocalyptic number.

999447341 is the 22355-th centered square number.

It is an amenable number.

999447341 is a deficient number, since it is larger than the sum of its proper divisors (18857551).

999447341 is a wasteful number, since it uses less digits than its factorization.

999447341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18857550.

The product of its digits is 979776, while the sum is 50.

The square root of 999447341 is about 31614.0370879772. The cubic root of 999447341 is about 999.8157463860.

The spelling of 999447341 in words is "nine hundred ninety-nine million, four hundred forty-seven thousand, three hundred forty-one".