9088889 has 4 divisors (see below), whose sum is σ = 9178980. Its totient is φ = 8998800.

The previous prime is 9088883. The next prime is 9088903. The reversal of 9088889 is 9888809.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5721664 + 3367225 = 2392^2 + 1835^2 .

It is a cyclic number.

It is not a de Polignac number, because 9088889 - 2⁴ = 9088873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9088883) 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, 44894 + ... + 45095.

It is an arithmetic number, because the mean of its divisors is an integer number (2294745).

Almost surely, 2^9088889 is an apocalyptic number.

It is an amenable number.

9088889 is a deficient number, since it is larger than the sum of its proper divisors (90091).

9088889 is a wasteful number, since it uses less digits than its factorization.

9088889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90090.

The product of its (nonzero) digits is 331776, while the sum is 50.

The square root of 9088889 is about 3014.7784329864. The cubic root of 9088889 is about 208.6909422139.

The spelling of 9088889 in words is "nine million, eighty-eight thousand, eight hundred eighty-nine".