990301 has 8 divisors (see below), whose sum is σ = 1129464. Its totient is φ = 860160.

The previous prime is 990293. The next prime is 990307. The reversal of 990301 is 103099.

It can be written as a sum of positive squares in 4 ways, for example, as 224676 + 765625 = 474^2 + 875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 990301 - 2³ = 990293 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 (990307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (141183).

2⁹⁹⁰³⁰¹ is an apocalyptic number.

It is an amenable number.

990301 is a deficient number, since it is larger than the sum of its proper divisors (139163).

990301 is a wasteful number, since it uses less digits than its factorization.

990301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 990301 is about 995.1386838024. The cubic root of 990301 is about 99.6756491024.

The spelling of 990301 in words is "nine hundred ninety thousand, three hundred one".