4089249 has 6 divisors (see below), whose sum is σ = 5906706. Its totient is φ = 2726160.

The previous prime is 4089227. The next prime is 4089259. The reversal of 4089249 is 9429804.

It is a happy number.

4089249 is a `hidden beast` number, since 408 + 9 + 249 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3873024 + 216225 = 1968^2 + 465^2 .

It is not a de Polignac number, because 4089249 - 2¹⁷ = 3958177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4089209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227172 + ... + 227189.

It is an arithmetic number, because the mean of its divisors is an integer number (984451).

Almost surely, 2^4089249 is an apocalyptic number.

It is an amenable number.

4089249 is a deficient number, since it is larger than the sum of its proper divisors (1817457).

4089249 is a wasteful number, since it uses less digits than its factorization.

4089249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454367 (or 454364 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4089249 is about 2022.1891602914. The cubic root of 4089249 is about 159.9120480158.

The spelling of 4089249 in words is "four million, eighty-nine thousand, two hundred forty-nine".