9990673 has 8 divisors (see below), whose sum is σ = 12456000. Its totient is φ = 7784880.

The previous prime is 9990667. The next prime is 9990677. The reversal of 9990673 is 3760999.

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 9990673 - 2¹⁷ = 9859601 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (9990677) 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, 64798 + ... + 64951.

It is an arithmetic number, because the mean of its divisors is an integer number (1557000).

Almost surely, 2^9990673 is an apocalyptic number.

It is an amenable number.

9990673 is a deficient number, since it is larger than the sum of its proper divisors (2465327).

9990673 is a wasteful number, since it uses less digits than its factorization.

9990673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129767.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 9990673 is about 3160.8025879514. The cubic root of 9990673 is about 215.3764667934.

The spelling of 9990673 in words is "nine million, nine hundred ninety thousand, six hundred seventy-three".