999041 has 4 divisors (see below), whose sum is σ = 1013184. Its totient is φ = 984900.

The previous prime is 999029. The next prime is 999043. The reversal of 999041 is 140999.

999041 = T₁₃₁ + T₁₃₂ + ... + T₂₀₁.

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 999041 - 2¹⁰ = 998017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 998989 and 999007.

It is not an unprimeable number, because it can be changed into a prime (999043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6965 + ... + 7106.

It is an arithmetic number, because the mean of its divisors is an integer number (253296).

2⁹⁹⁹⁰⁴¹ is an apocalyptic number.

It is an amenable number.

999041 is a deficient number, since it is larger than the sum of its proper divisors (14143).

999041 is a wasteful number, since it uses less digits than its factorization.

999041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14142.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 999041 is about 999.5203849847. The cubic root of 999041 is about 99.9680231092.

The spelling of 999041 in words is "nine hundred ninety-nine thousand, forty-one".