990845341 has 4 divisors (see below), whose sum is σ = 994793184. Its totient is φ = 986897500.

The previous prime is 990845329. The next prime is 990845353. The reversal of 990845341 is 143548099.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (990845329) and next prime (990845353).

It is a cyclic number.

It is not a de Polignac number, because 990845341 - 2⁵ = 990845309 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 (990840341) 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, 1973545 + ... + 1974046.

It is an arithmetic number, because the mean of its divisors is an integer number (248698296).

Almost surely, 2^990845341 is an apocalyptic number.

It is an amenable number.

990845341 is a deficient number, since it is larger than the sum of its proper divisors (3947843).

990845341 is a wasteful number, since it uses less digits than its factorization.

990845341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947842.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 990845341 is about 31477.6959290225. The cubic root of 990845341 is about 996.9390873733.

The spelling of 990845341 in words is "nine hundred ninety million, eight hundred forty-five thousand, three hundred forty-one".