9089918 has 4 divisors (see below), whose sum is σ = 13634880. Its totient is φ = 4544958.

The previous prime is 9089903. The next prime is 9089921. The reversal of 9089918 is 8199809.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272478 + ... + 2272481.

It is an arithmetic number, because the mean of its divisors is an integer number (3408720).

Almost surely, 2^9089918 is an apocalyptic number.

9089918 is a deficient number, since it is larger than the sum of its proper divisors (4544962).

9089918 is a wasteful number, since it uses less digits than its factorization.

9089918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544961.

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 9089918 is about 3014.9490874640. The cubic root of 9089918 is about 208.6988175760.

The spelling of 9089918 in words is "nine million, eighty-nine thousand, nine hundred eighteen".