4089500 has 24 divisors (see below), whose sum is σ = 8932560. Its totient is φ = 1635600.

The previous prime is 4089473. The next prime is 4089509. The reversal of 4089500 is 59804.

It is a self number, because there is not a number n which added to its sum of digits gives 4089500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4089509) 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 7 ways as a sum of consecutive naturals, for example, 3590 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (372190).

Almost surely, 2^4089500 is an apocalyptic number.

It is an amenable number.

4089500 is an abundant number, since it is smaller than the sum of its proper divisors (4843060).

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

4089500 is a wasteful number, since it uses less digits than its factorization.

4089500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198 (or 8186 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 4089500 is about 2022.2512207933. The cubic root of 4089500 is about 159.9153197741.

The spelling of 4089500 in words is "four million, eighty-nine thousand, five hundred".