4539428 has 12 divisors (see below), whose sum is σ = 8218140. Its totient is φ = 2191392.

The previous prime is 4539427. The next prime is 4539433. The reversal of 4539428 is 8249354.

It can be written as a sum of positive squares in 2 ways, for example, as 3602404 + 937024 = 1898^2 + 968^2 .

It is not an unprimeable number, because it can be changed into a prime (4539427) 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 3 ways as a sum of consecutive naturals, for example, 19451 + ... + 19682.

It is an arithmetic number, because the mean of its divisors is an integer number (684845).

Almost surely, 2^4539428 is an apocalyptic number.

It is an amenable number.

4539428 is a deficient number, since it is larger than the sum of its proper divisors (3678712).

4539428 is a wasteful number, since it uses less digits than its factorization.

4539428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39166 (or 39164 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 4539428 is about 2130.5933445874. The cubic root of 4539428 is about 165.5771402240.

The spelling of 4539428 in words is "four million, five hundred thirty-nine thousand, four hundred twenty-eight".