990839303 has 8 divisors (see below), whose sum is σ = 1043782320. Its totient is φ = 937975680.

The previous prime is 990839299. The next prime is 990839387. The reversal of 990839303 is 303938099.

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 990839303 - 2² = 990839299 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 (990839393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6701 + ... + 45017.

It is an arithmetic number, because the mean of its divisors is an integer number (130472790).

Almost surely, 2^990839303 is an apocalyptic number.

990839303 is a deficient number, since it is larger than the sum of its proper divisors (52943017).

990839303 is a wasteful number, since it uses less digits than its factorization.

990839303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39697.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 990839303 is about 31477.6000196965. The cubic root of 990839303 is about 996.9370623245.

The spelling of 990839303 in words is "nine hundred ninety million, eight hundred thirty-nine thousand, three hundred three".