9884869 has 4 divisors (see below), whose sum is σ = 9935244. Its totient is φ = 9834496.

The previous prime is 9884863. The next prime is 9884887. The reversal of 9884869 is 9684889.

9884869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9684889 = 19 ⋅509731.

It can be written as a sum of positive squares in 2 ways, for example, as 9828225 + 56644 = 3135^2 + 238^2 .

It is a 6-Lehmer number, since φ(9884869) divides (9884869-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 9884869 - 2⁷ = 9884741 is a prime.

It is a super-2 number, since 2×9884869² = 195421270294322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9884863) 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, 24892 + ... + 25285.

It is an arithmetic number, because the mean of its divisors is an integer number (2483811).

Almost surely, 2^9884869 is an apocalyptic number.

It is an amenable number.

9884869 is a deficient number, since it is larger than the sum of its proper divisors (50375).

9884869 is a wasteful number, since it uses less digits than its factorization.

9884869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50374.

The product of its digits is 995328, while the sum is 52.

The square root of 9884869 is about 3144.0211513283. The cubic root of 9884869 is about 214.6134681110.

The spelling of 9884869 in words is "nine million, eight hundred eighty-four thousand, eight hundred sixty-nine".