4530438 has 64 divisors (see below), whose sum is σ = 11404800. Its totient is φ = 1320480.

The previous prime is 4530431. The next prime is 4530443. The reversal of 4530438 is 8340354.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4530431) 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 31 ways as a sum of consecutive naturals, for example, 17095 + ... + 17357.

It is an arithmetic number, because the mean of its divisors is an integer number (178200).

Almost surely, 2^4530438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4530438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5702400).

4530438 is an abundant number, since it is smaller than the sum of its proper divisors (6874362).

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

4530438 is a wasteful number, since it uses less digits than its factorization.

4530438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4530438 is about 2128.4825580681. The cubic root of 4530438 is about 165.4677635786.

The spelling of 4530438 in words is "four million, five hundred thirty thousand, four hundred thirty-eight".