4089197 has 12 divisors (see below), whose sum is σ = 5037660. Its totient is φ = 3298176.

The previous prime is 4089191. The next prime is 4089209. The reversal of 4089197 is 7919804.

It can be written as a sum of positive squares in 2 ways, for example, as 3759721 + 329476 = 1939^2 + 574^2 .

It is not a de Polignac number, because 4089197 - 2⁶ = 4089133 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 4089197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4089191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1622 + ... + 3287.

It is an arithmetic number, because the mean of its divisors is an integer number (419805).

Almost surely, 2^4089197 is an apocalyptic number.

It is an amenable number.

4089197 is a deficient number, since it is larger than the sum of its proper divisors (948463).

4089197 is a wasteful number, since it uses less digits than its factorization.

4089197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940 (or 4933 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 4089197 is about 2022.1763028975. The cubic root of 4089197 is about 159.9113701846.

The spelling of 4089197 in words is "four million, eighty-nine thousand, one hundred ninety-seven".