4389249 has 8 divisors (see below), whose sum is σ = 5890240. Its totient is φ = 2907216.

The previous prime is 4389241. The next prime is 4389257. The reversal of 4389249 is 9429834.

It is an interprime number because it is at equal distance from previous prime (4389241) and next prime (4389257).

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

It is not a de Polignac number, because 4389249 - 2³ = 4389241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4389241) 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, 4189 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (736280).

Almost surely, 2^4389249 is an apocalyptic number.

It is an amenable number.

4389249 is a deficient number, since it is larger than the sum of its proper divisors (1500991).

4389249 is a wasteful number, since it uses less digits than its factorization.

4389249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9479.

The product of its digits is 62208, while the sum is 39.

The square root of 4389249 is about 2095.0534599384. The cubic root of 4389249 is about 163.7306828018.

The spelling of 4389249 in words is "four million, three hundred eighty-nine thousand, two hundred forty-nine".