9990716 has 12 divisors (see below), whose sum is σ = 17910480. Its totient is φ = 4873440.

The previous prime is 9990689. The next prime is 9990727. The reversal of 9990716 is 6170999.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30296 + ... + 30623.

It is an arithmetic number, because the mean of its divisors is an integer number (1492540).

Almost surely, 2^9990716 is an apocalyptic number.

It is an amenable number.

9990716 is a deficient number, since it is larger than the sum of its proper divisors (7919764).

9990716 is a wasteful number, since it uses less digits than its factorization.

9990716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60964 (or 60962 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 9990716 is about 3160.8093900139. The cubic root of 9990716 is about 215.3767757874.

The spelling of 9990716 in words is "nine million, nine hundred ninety thousand, seven hundred sixteen".