9089869 has 4 divisors (see below), whose sum is σ = 9097660. Its totient is φ = 9082080.

The previous prime is 9089863. The next prime is 9089879. The reversal of 9089869 is 9689809.

9089869 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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9689809 = 2411 ⋅4019.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 7767369 = 1150^2 + 2787^2 .

It is a cyclic number.

It is not a de Polignac number, because 9089869 - 2⁹ = 9089357 is a prime.

It is a super-2 number, since 2×9089869² = 165251436874322, 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 (9089863) 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, 1752 + ... + 4609.

It is an arithmetic number, because the mean of its divisors is an integer number (2274415).

Almost surely, 2^9089869 is an apocalyptic number.

It is an amenable number.

9089869 is a deficient number, since it is larger than the sum of its proper divisors (7791).

9089869 is a wasteful number, since it uses less digits than its factorization.

9089869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 9089869 is about 3014.9409612793. The cubic root of 9089869 is about 208.6984425723.

The spelling of 9089869 in words is "nine million, eighty-nine thousand, eight hundred sixty-nine".