9890836 has 12 divisors (see below), whose sum is σ = 17392480. Its totient is φ = 4921560.

The previous prime is 9890833. The next prime is 9890863. The reversal of 9890836 is 6380989.

It is a junction number, because it is equal to n+sod(n) for n = 9890792 and 9890801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890833) by changing a digit.

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, 5016 + ... + 6703.

Almost surely, 2^9890836 is an apocalyptic number.

It is an amenable number.

9890836 is a deficient number, since it is larger than the sum of its proper divisors (7501644).

9890836 is a wasteful number, since it uses less digits than its factorization.

9890836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11934 (or 11932 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 9890836 is about 3144.9699521617. The cubic root of 9890836 is about 214.6566432229.

The spelling of 9890836 in words is "nine million, eight hundred ninety thousand, eight hundred thirty-six".