5691956 has 24 divisors (see below), whose sum is σ = 10250184. Its totient is φ = 2764800.

The previous prime is 5691947. The next prime is 5691977. The reversal of 5691956 is 6591965.

It can be written as a sum of positive squares in 4 ways, for example, as 1731856 + 3960100 = 1316^2 + 1990^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29396 + ... + 29588.

It is an arithmetic number, because the mean of its divisors is an integer number (427091).

Almost surely, 2^5691956 is an apocalyptic number.

It is an amenable number.

5691956 is a deficient number, since it is larger than the sum of its proper divisors (4558228).

5691956 is a wasteful number, since it uses less digits than its factorization.

5691956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its digits is 72900, while the sum is 41.

The square root of 5691956 is about 2385.7820520743. The cubic root of 5691956 is about 178.5475292358.

Subtracting 5691956 from its reverse (6591965), we obtain a palindrome (900009).

The spelling of 5691956 in words is "five million, six hundred ninety-one thousand, nine hundred fifty-six".