5711949 has 24 divisors (see below), whose sum is σ = 8980920. Its totient is φ = 3483648.

The previous prime is 5711939. The next prime is 5711963. The reversal of 5711949 is 9491175.

It can be written as a sum of positive squares in 4 ways, for example, as 2196324 + 3515625 = 1482^2 + 1875^2 .

It is not a de Polignac number, because 5711949 - 2⁴ = 5711933 is a prime.

It is a super-2 number, since 2×5711949² = 65252722757202, which contains 22 as substring.

It is a Curzon number.

5711949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5711939) 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 23 ways as a sum of consecutive naturals, for example, 5157 + ... + 6165.

It is an arithmetic number, because the mean of its divisors is an integer number (374205).

Almost surely, 2^5711949 is an apocalyptic number.

It is an amenable number.

5711949 is a deficient number, since it is larger than the sum of its proper divisors (3268971).

5711949 is a wasteful number, since it uses less digits than its factorization.

5711949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1066 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 5711949 is about 2389.9684098331. The cubic root of 5711949 is about 178.7563343966.

The spelling of 5711949 in words is "five million, seven hundred eleven thousand, nine hundred forty-nine".