9900578 has 8 divisors (see below), whose sum is σ = 15196368. Its totient is φ = 4835124.

The previous prime is 9900547. The next prime is 9900589. The reversal of 9900578 is 8750099.

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

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, 57476 + ... + 57647.

It is an arithmetic number, because the mean of its divisors is an integer number (1899546).

Almost surely, 2^9900578 is an apocalyptic number.

9900578 is a deficient number, since it is larger than the sum of its proper divisors (5295790).

9900578 is a wasteful number, since it uses less digits than its factorization.

9900578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115168.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 9900578 is about 3146.5183933993. The cubic root of 9900578 is about 214.7270956033.

The spelling of 9900578 in words is "nine million, nine hundred thousand, five hundred seventy-eight".