9890043 has 8 divisors (see below), whose sum is σ = 13493568. Its totient is φ = 6439944.

The previous prime is 9890033. The next prime is 9890053. The reversal of 9890043 is 3400989.

9890043 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9890033) and next prime (9890053).

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

It is not a de Polignac number, because 9890043 - 2⁵ = 9890011 is a prime.

9890043 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9889986 and 9890013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38205 + ... + 38462.

It is an arithmetic number, because the mean of its divisors is an integer number (1686696).

Almost surely, 2^9890043 is an apocalyptic number.

9890043 is a deficient number, since it is larger than the sum of its proper divisors (3603525).

9890043 is a wasteful number, since it uses less digits than its factorization.

9890043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76713.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 9890043 is about 3144.8438752981. The cubic root of 9890043 is about 214.6509063547.

The spelling of 9890043 in words is "nine million, eight hundred ninety thousand, forty-three".