4089535 has 4 divisors (see below), whose sum is σ = 4907448. Its totient is φ = 3271624.

The previous prime is 4089521. The next prime is 4089559. The reversal of 4089535 is 5359804.

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 4089535 - 2¹¹ = 4087487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4089535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408949 + ... + 408958.

It is an arithmetic number, because the mean of its divisors is an integer number (1226862).

Almost surely, 2^4089535 is an apocalyptic number.

4089535 is a deficient number, since it is larger than the sum of its proper divisors (817913).

4089535 is an equidigital number, since it uses as much as digits as its factorization.

4089535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817912.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 4089535 is about 2022.2598744968. The cubic root of 4089535 is about 159.9157759847.

It can be divided in two parts, 4089 and 535, that added together give a square (4624 = 68²).

The spelling of 4089535 in words is "four million, eighty-nine thousand, five hundred thirty-five".