4533987 has 4 divisors (see below), whose sum is σ = 6045320. Its totient is φ = 3022656.

The previous prime is 4533979. The next prime is 4534007. The reversal of 4533987 is 7893354.

4533987 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4533987 - 2³ = 4533979 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4533187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755662 + ... + 755667.

It is an arithmetic number, because the mean of its divisors is an integer number (1511330).

Almost surely, 2^4533987 is an apocalyptic number.

4533987 is a deficient number, since it is larger than the sum of its proper divisors (1511333).

4533987 is a wasteful number, since it uses less digits than its factorization.

4533987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511332.

The product of its digits is 90720, while the sum is 39.

The square root of 4533987 is about 2129.3160873858. The cubic root of 4533987 is about 165.5109596829.

It can be divided in two parts, 45339 and 87, that multiplied together give a palindrome (3944493).

The spelling of 4533987 in words is "four million, five hundred thirty-three thousand, nine hundred eighty-seven".