4389155 has 8 divisors (see below), whose sum is σ = 5307984. Its totient is φ = 3484000.

The previous prime is 4389137. The next prime is 4389169. The reversal of 4389155 is 5519834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4389155 is a prime.

It is a super-2 number, since 2×4389155² = 38529363228050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2696 + ... + 4005.

It is an arithmetic number, because the mean of its divisors is an integer number (663498).

Almost surely, 2^4389155 is an apocalyptic number.

4389155 is a deficient number, since it is larger than the sum of its proper divisors (918829).

4389155 is a wasteful number, since it uses less digits than its factorization.

4389155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837.

The product of its digits is 21600, while the sum is 35.

The square root of 4389155 is about 2095.0310260232. The cubic root of 4389155 is about 163.7295139766.

It can be divided in two parts, 43 and 89155, that added together give a palindrome (89198).

The spelling of 4389155 in words is "four million, three hundred eighty-nine thousand, one hundred fifty-five".