9890835 has 16 divisors (see below), whose sum is σ = 15864576. Its totient is φ = 5262048.

The previous prime is 9890833. The next prime is 9890863. The reversal of 9890835 is 5380989.

9890835 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9890835 - 2¹ = 9890833 is a prime.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10452 + ... + 11358.

It is an arithmetic number, because the mean of its divisors is an integer number (991536).

Almost surely, 2^9890835 is an apocalyptic number.

9890835 is a deficient number, since it is larger than the sum of its proper divisors (5973741).

9890835 is a wasteful number, since it uses less digits than its factorization.

9890835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 9890835 is about 3144.9697931777. The cubic root of 9890835 is about 214.6566359887.

The spelling of 9890835 in words is "nine million, eight hundred ninety thousand, eight hundred thirty-five".