9045894 has 48 divisors (see below), whose sum is σ = 21397824. Its totient is φ = 2527200.

The previous prime is 9045859. The next prime is 9045901. The reversal of 9045894 is 4985409.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10749 + ... + 11559.

It is an arithmetic number, because the mean of its divisors is an integer number (445788).

Almost surely, 2^9045894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9045894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10698912).

9045894 is an abundant number, since it is smaller than the sum of its proper divisors (12351930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9045894 is a wasteful number, since it uses less digits than its factorization.

9045894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 9045894 is about 3007.6392735832. The cubic root of 9045894 is about 208.3613510408.

The spelling of 9045894 in words is "nine million, forty-five thousand, eight hundred ninety-four".