9878983 has 4 divisors (see below), whose sum is σ = 10308528. Its totient is φ = 9449440.

The previous prime is 9878929. The next prime is 9879007. The reversal of 9878983 is 3898789.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9878983 - 2⁹ = 9878471 is a prime.

It is a super-2 number, since 2×9878983² = 195188610228578, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

9878983 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9878983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9878903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214738 + ... + 214783.

It is an arithmetic number, because the mean of its divisors is an integer number (2577132).

Almost surely, 2^9878983 is an apocalyptic number.

9878983 is a deficient number, since it is larger than the sum of its proper divisors (429545).

9878983 is a wasteful number, since it uses less digits than its factorization.

9878983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429544.

The product of its digits is 870912, while the sum is 52.

The square root of 9878983 is about 3143.0849495360. The cubic root of 9878983 is about 214.5708620605.

The spelling of 9878983 in words is "nine million, eight hundred seventy-eight thousand, nine hundred eighty-three".