9899774 has 8 divisors (see below), whose sum is σ = 14933160. Its totient is φ = 4922056.

The previous prime is 9899753. The next prime is 9899783. The reversal of 9899774 is 4779989.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13469 + ... + 14184.

It is an arithmetic number, because the mean of its divisors is an integer number (1866645).

Almost surely, 2^9899774 is an apocalyptic number.

9899774 is a deficient number, since it is larger than the sum of its proper divisors (5033386).

9899774 is a wasteful number, since it uses less digits than its factorization.

9899774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27834.

The product of its digits is 1143072, while the sum is 53.

The square root of 9899774 is about 3146.3906305480. The cubic root of 9899774 is about 214.7212829710.

The spelling of 9899774 in words is "nine million, eight hundred ninety-nine thousand, seven hundred seventy-four".