8389849 has 8 divisors (see below), whose sum is σ = 9511040. Its totient is φ = 7336656.

The previous prime is 8389837. The next prime is 8389877. The reversal of 8389849 is 9489838.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8389849 is a prime.

It is a Duffinian number.

8389849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8389819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16737 + ... + 17230.

It is an arithmetic number, because the mean of its divisors is an integer number (1188880).

Almost surely, 2^8389849 is an apocalyptic number.

It is an amenable number.

8389849 is a deficient number, since it is larger than the sum of its proper divisors (1121191).

8389849 is a wasteful number, since it uses less digits than its factorization.

8389849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33999.

The product of its digits is 497664, while the sum is 49.

The square root of 8389849 is about 2896.5236059801. The cubic root of 8389849 is about 203.1973539165.

The spelling of 8389849 in words is "eight million, three hundred eighty-nine thousand, eight hundred forty-nine".