9121888 has 24 divisors (see below), whose sum is σ = 18062352. Its totient is φ = 4534656.

The previous prime is 9121859. The next prime is 9121897. The reversal of 9121888 is 8881219.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5581 + ... + 7027.

It is an arithmetic number, because the mean of its divisors is an integer number (752598).

Almost surely, 2^9121888 is an apocalyptic number.

It is an amenable number.

9121888 is a deficient number, since it is larger than the sum of its proper divisors (8940464).

9121888 is a wasteful number, since it uses less digits than its factorization.

9121888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1646 counting only the distinct ones).

The product of its digits is 9216, while the sum is 37.

The square root of 9121888 is about 3020.2463475684. The cubic root of 9121888 is about 208.9432016777.

The spelling of 9121888 in words is "nine million, one hundred twenty-one thousand, eight hundred eighty-eight".