2389849 has 16 divisors (see below), whose sum is σ = 3056256. Its totient is φ = 1814400.

The previous prime is 2389847. The next prime is 2389853. The reversal of 2389849 is 9489832.

It is a happy number.

It is not a de Polignac number, because 2389849 - 2¹ = 2389847 is a prime.

It is a super-2 number, since 2×2389849² = 11422756485602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2389841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2779 + ... + 3535.

It is an arithmetic number, because the mean of its divisors is an integer number (191016).

2^2389849 is an apocalyptic number.

It is an amenable number.

2389849 is a deficient number, since it is larger than the sum of its proper divisors (666407).

2389849 is a wasteful number, since it uses less digits than its factorization.

2389849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its digits is 124416, while the sum is 43.

The square root of 2389849 is about 1545.9136457125. The cubic root of 2389849 is about 133.6975617653.

The spelling of 2389849 in words is "two million, three hundred eighty-nine thousand, eight hundred forty-nine".