9879045 has 24 divisors (see below), whose sum is σ = 17377248. Its totient is φ = 4788960.

The previous prime is 9879013. The next prime is 9879047. The reversal of 9879045 is 5409789.

9879045 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9879045 - 2⁵ = 9879013 is a prime.

It is a super-2 number, since 2×9879045² = 195191060224050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9878988 and 9879006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9879047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 907 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (724052).

Almost surely, 2^9879045 is an apocalyptic number.

9879045 is the 1815-th octagonal number.

It is an amenable number.

9879045 is a deficient number, since it is larger than the sum of its proper divisors (7498203).

9879045 is a wasteful number, since it uses less digits than its factorization.

9879045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473 (or 5462 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 9879045 is about 3143.0948124420. The cubic root of 9879045 is about 214.5713109382.

The spelling of 9879045 in words is "nine million, eight hundred seventy-nine thousand, forty-five".