7089849 has 20 divisors (see below), whose sum is σ = 11407396. Its totient is φ = 4362336.

The previous prime is 7089821. The next prime is 7089857. The reversal of 7089849 is 9489807.

It can be written as a sum of positive squares in 2 ways, for example, as 4665600 + 2424249 = 2160^2 + 1557^2 .

It is not a de Polignac number, because 7089849 - 2¹⁵ = 7057081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7089889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2314 + ... + 4419.

Almost surely, 2^7089849 is an apocalyptic number.

It is an amenable number.

7089849 is a deficient number, since it is larger than the sum of its proper divisors (4317547).

7089849 is a wasteful number, since it uses less digits than its factorization.

7089849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6758 (or 6749 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 7089849 is about 2662.6770363677. The cubic root of 7089849 is about 192.1080934303.

The spelling of 7089849 in words is "seven million, eighty-nine thousand, eight hundred forty-nine".