4539768 has 64 divisors (see below), whose sum is σ = 11975040. Its totient is φ = 1432704.

The previous prime is 4539767. The next prime is 4539779. The reversal of 4539768 is 8679354.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54655 + ... + 54737.

It is an arithmetic number, because the mean of its divisors is an integer number (187110).

Almost surely, 2^4539768 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 4539768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5987520).

4539768 is an abundant number, since it is smaller than the sum of its proper divisors (7435272).

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

4539768 is a wasteful number, since it uses less digits than its factorization.

4539768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 184 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 4539768 is about 2130.6731330732. The cubic root of 4539768 is about 165.5812739917.

The spelling of 4539768 in words is "four million, five hundred thirty-nine thousand, seven hundred sixty-eight".