5691938 has 18 divisors (see below), whose sum is σ = 9973233. Its totient is φ = 2429280.

The previous prime is 5691929. The next prime is 5691943. The reversal of 5691938 is 8391965.

It can be written as a sum of positive squares in 2 ways, for example, as 5303809 + 388129 = 2303^2 + 623^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1687.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5691895 and 5691904.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 23498 + ... + 23738.

Almost surely, 2^5691938 is an apocalyptic number.

5691938 is a deficient number, since it is larger than the sum of its proper divisors (4281295).

5691938 is an equidigital number, since it uses as much as digits as its factorization.

5691938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 250 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 5691938 is about 2385.7782797234. The cubic root of 5691938 is about 178.5473410253.

The spelling of 5691938 in words is "five million, six hundred ninety-one thousand, nine hundred thirty-eight".