4538268 has 144 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 1197504.

The previous prime is 4538267. The next prime is 4538323. The reversal of 4538268 is 8628354.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (46080) is a multiple of the sum of its prime divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156478 + ... + 156506.

It is an arithmetic number, because the mean of its divisors is an integer number (101920).

Almost surely, 2^4538268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4538268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7338240).

4538268 is an abundant number, since it is smaller than the sum of its proper divisors (10138212).

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

4538268 is a wasteful number, since it uses less digits than its factorization.

4538268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 64 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 4538268 is about 2130.3211025571. The cubic root of 4538268 is about 165.5630352277.

The spelling of 4538268 in words is "four million, five hundred thirty-eight thousand, two hundred sixty-eight".