4089849 has 8 divisors (see below), whose sum is σ = 5477472. Its totient is φ = 2714400.

The previous prime is 4089847. The next prime is 4089853. The reversal of 4089849 is 9489804.

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

It is not a de Polignac number, because 4089849 - 2¹ = 4089847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4089849.

It is not an unprimeable number, because it can be changed into a prime (4089847) 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, 2227 + ... + 3624.

It is an arithmetic number, because the mean of its divisors is an integer number (684684).

Almost surely, 2^4089849 is an apocalyptic number.

It is an amenable number.

4089849 is a deficient number, since it is larger than the sum of its proper divisors (1387623).

4089849 is a wasteful number, since it uses less digits than its factorization.

4089849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6087.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 4089849 is about 2022.3375089238. The cubic root of 4089849 is about 159.9198687295.

It can be divided in two parts, 40898 and 49, that multiplied together give a palindrome (2004002).

The spelling of 4089849 in words is "four million, eighty-nine thousand, eight hundred forty-nine".