9090986 has 8 divisors (see below), whose sum is σ = 13769184. Its totient is φ = 4501260.

The previous prime is 9090973. The next prime is 9090989. The reversal of 9090986 is 6890909.

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

It is not an unprimeable number, because it can be changed into a prime (9090989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21860 + ... + 22271.

It is an arithmetic number, because the mean of its divisors is an integer number (1721148).

Almost surely, 2^9090986 is an apocalyptic number.

9090986 is a deficient number, since it is larger than the sum of its proper divisors (4678198).

9090986 is a wasteful number, since it uses less digits than its factorization.

9090986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44236.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 9090986 is about 3015.1261996805. The cubic root of 9090986 is about 208.7069907927.

The spelling of 9090986 in words is "nine million, ninety thousand, nine hundred eighty-six".