4523394 has 32 divisors (see below), whose sum is σ = 9749376. Its totient is φ = 1393920.

The previous prime is 4523383. The next prime is 4523399. The reversal of 4523394 is 4933254.

It is a super-2 number, since 2×4523394² = 40922186558472, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁸ + 5⁷ + 2¹³ + 3⁴ + 3¹¹ + 9 + 4¹¹ .

Its product of digits (12960) is a multiple of the sum of its prime divisors (810).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4523399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5859 + ... + 6585.

It is an arithmetic number, because the mean of its divisors is an integer number (304668).

Almost surely, 2^4523394 is an apocalyptic number.

4523394 is an abundant number, since it is smaller than the sum of its proper divisors (5225982).

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

4523394 is a wasteful number, since it uses less digits than its factorization.

4523394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its digits is 12960, while the sum is 30.

The square root of 4523394 is about 2126.8272144206. The cubic root of 4523394 is about 165.3819617552.

Adding to 4523394 its product of digits (12960), we get a palindrome (4536354).

The spelling of 4523394 in words is "four million, five hundred twenty-three thousand, three hundred ninety-four".