6936849 has 6 divisors (see below), whose sum is σ = 10019906. Its totient is φ = 4624560.

The previous prime is 6936847. The next prime is 6936851. The reversal of 6936849 is 9486396.

It is an interprime number because it is at equal distance from previous prime (6936847) and next prime (6936851).

It can be written as a sum of positive squares in only one way, i.e., 6594624 + 342225 = 2568^2 + 585^2 .

It is not a de Polignac number, because 6936849 - 2¹ = 6936847 is a prime.

It is a d-powerful number, because it can be written as 6² + 9⁶ + 3 + 6⁸ + 8 + 4¹¹ + 9⁶ .

It is a Duffinian number.

6936849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6936841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 385372 + ... + 385389.

Almost surely, 2^6936849 is an apocalyptic number.

It is an amenable number.

6936849 is a deficient number, since it is larger than the sum of its proper divisors (3083057).

6936849 is a wasteful number, since it uses less digits than its factorization.

6936849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770767 (or 770764 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 6936849 is about 2633.7898549429. The cubic root of 6936849 is about 190.7161248102.

The spelling of 6936849 in words is "six million, nine hundred thirty-six thousand, eight hundred forty-nine".