4089455 has 4 divisors (see below), whose sum is σ = 4907352. Its totient is φ = 3271560.

The previous prime is 4089439. The next prime is 4089473. The reversal of 4089455 is 5549804.

4089455 is nontrivially palindromic in base 4.

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

It is not a de Polignac number, because 4089455 - 2⁴ = 4089439 is a prime.

It is a Duffinian number.

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, 408941 + ... + 408950.

It is an arithmetic number, because the mean of its divisors is an integer number (1226838).

Almost surely, 2^4089455 is an apocalyptic number.

4089455 is a deficient number, since it is larger than the sum of its proper divisors (817897).

4089455 is an equidigital number, since it uses as much as digits as its factorization.

4089455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817896.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 4089455 is about 2022.2400945486. The cubic root of 4089455 is about 159.9147332138.

The spelling of 4089455 in words is "four million, eighty-nine thousand, four hundred fifty-five".