4128089 has 8 divisors (see below), whose sum is σ = 4739328. Its totient is φ = 3522240.

The previous prime is 4128079. The next prime is 4128097. The reversal of 4128089 is 9808214.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4128089 - 2²⁰ = 3079513 is a prime.

It is a super-2 number, since 2×4128089² = 34082237583842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4128049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464 + ... + 2910.

It is an arithmetic number, because the mean of its divisors is an integer number (592416).

Almost surely, 2^4128089 is an apocalyptic number.

It is an amenable number.

4128089 is a deficient number, since it is larger than the sum of its proper divisors (611239).

4128089 is a wasteful number, since it uses less digits than its factorization.

4128089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 4128089 is about 2031.7699180764. The cubic root of 4128089 is about 160.4167391315.

The spelling of 4128089 in words is "four million, one hundred twenty-eight thousand, eighty-nine".