4539968 has 14 divisors (see below), whose sum is σ = 9009126. Its totient is φ = 2269952.

The previous prime is 4539949. The next prime is 4539973. The reversal of 4539968 is 8699354.

It can be written as a sum of positive squares in only one way, i.e., 3356224 + 1183744 = 1832^2 + 1088^2 .

It is a super-2 number, since 2×4539968² = 41222618882048, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35405 + ... + 35532.

It is an arithmetic number, because the mean of its divisors is an integer number (643509).

Almost surely, 2^4539968 is an apocalyptic number.

It is an amenable number.

4539968 is a deficient number, since it is larger than the sum of its proper divisors (4469158).

4539968 is an equidigital number, since it uses as much as digits as its factorization.

4539968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70949 (or 70939 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 4539968 is about 2130.7200660809. The cubic root of 4539968 is about 165.5837055233.

The spelling of 4539968 in words is "four million, five hundred thirty-nine thousand, nine hundred sixty-eight".