990706445 has 8 divisors (see below), whose sum is σ = 1190077920. Its totient is φ = 791745040.

The previous prime is 990706403. The next prime is 990706459. The reversal of 990706445 is 544607099.

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

It is not a de Polignac number, because 990706445 - 2¹⁰ = 990705421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 990706396 and 990706405.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 97175 + ... + 106884.

It is an arithmetic number, because the mean of its divisors is an integer number (148759740).

Almost surely, 2^990706445 is an apocalyptic number.

It is an amenable number.

990706445 is a deficient number, since it is larger than the sum of its proper divisors (199371475).

990706445 is a wasteful number, since it uses less digits than its factorization.

990706445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205035.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 990706445 is about 31475.4895911088. The cubic root of 990706445 is about 996.8925017908.

The spelling of 990706445 in words is "nine hundred ninety million, seven hundred six thousand, four hundred forty-five".