9045438 has 16 divisors (see below), whose sum is σ = 18160896. Its totient is φ = 3003480.

The previous prime is 9045431. The next prime is 9045473. The reversal of 9045438 is 8345409.

It is a super-2 number, since 2×9045438² = 163639897223688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9045399 and 9045408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9045431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156 + ... + 4407.

It is an arithmetic number, because the mean of its divisors is an integer number (1135056).

Almost surely, 2^9045438 is an apocalyptic number.

9045438 is an abundant number, since it is smaller than the sum of its proper divisors (9115458).

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

9045438 is a wasteful number, since it uses less digits than its factorization.

9045438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 9045438 is about 3007.5634656645. The cubic root of 9045438 is about 208.3578498437.

The spelling of 9045438 in words is "nine million, forty-five thousand, four hundred thirty-eight".