4539887 has 4 divisors (see below), whose sum is σ = 4952616. Its totient is φ = 4127160.

The previous prime is 4539883. The next prime is 4539907. The reversal of 4539887 is 7889354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4539887 - 2² = 4539883 is a prime.

It is a super-2 number, since 2×4539887² = 41221147945538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539883) 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 3 ways as a sum of consecutive naturals, for example, 206348 + ... + 206369.

It is an arithmetic number, because the mean of its divisors is an integer number (1238154).

Almost surely, 2^4539887 is an apocalyptic number.

4539887 is a deficient number, since it is larger than the sum of its proper divisors (412729).

4539887 is a wasteful number, since it uses less digits than its factorization.

4539887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412728.

The product of its digits is 241920, while the sum is 44.

The square root of 4539887 is about 2130.7010583374. The cubic root of 4539887 is about 165.5827207616.

The spelling of 4539887 in words is "four million, five hundred thirty-nine thousand, eight hundred eighty-seven".