9959798 has 8 divisors (see below), whose sum is σ = 14954760. Its totient is φ = 4974880.

The previous prime is 9959797. The next prime is 9959801. The reversal of 9959798 is 8979599.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9959797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (1869345).

Almost surely, 2^9959798 is an apocalyptic number.

9959798 is a deficient number, since it is larger than the sum of its proper divisors (4994962).

9959798 is a wasteful number, since it uses less digits than its factorization.

9959798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022.

The product of its digits is 1837080, while the sum is 56.

The square root of 9959798 is about 3155.9147643750. The cubic root of 9959798 is about 215.1543726366.

The spelling of 9959798 in words is "nine million, nine hundred fifty-nine thousand, seven hundred ninety-eight".