990788573 has 8 divisors (see below), whose sum is σ = 1043229120. Its totient is φ = 938377440.

The previous prime is 990788569. The next prime is 990788587. The reversal of 990788573 is 375887099.

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 990788573 - 2² = 990788569 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 (990788873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109793 + ... + 118473.

It is an arithmetic number, because the mean of its divisors is an integer number (130403640).

Almost surely, 2^990788573 is an apocalyptic number.

It is an amenable number.

990788573 is a deficient number, since it is larger than the sum of its proper divisors (52440547).

990788573 is a wasteful number, since it uses less digits than its factorization.

990788573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14707.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The square root of 990788573 is about 31476.7941982661. The cubic root of 990788573 is about 996.9200479677.

The spelling of 990788573 in words is "nine hundred ninety million, seven hundred eighty-eight thousand, five hundred seventy-three".