5943681 has 6 divisors (see below), whose sum is σ = 8585330. Its totient is φ = 3962448.

The previous prime is 5943671. The next prime is 5943689. The reversal of 5943681 is 1863495.

Added to its reverse (1863495) it gives a triangular number (7807176 = T₃₉₅₁).

5943681 is a `hidden beast` number, since 594 + 3 + 68 + 1 = 666.

5943681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5022081 + 921600 = 2241^2 + 960^2 .

It is not a de Polignac number, because 5943681 - 2⁶ = 5943617 is a prime.

It is a super-2 number, since 2×5943681² = 70654687659522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5943689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 330196 + ... + 330213.

Almost surely, 2^5943681 is an apocalyptic number.

It is an amenable number.

5943681 is a deficient number, since it is larger than the sum of its proper divisors (2641649).

5943681 is a wasteful number, since it uses less digits than its factorization.

5943681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660415 (or 660412 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 5943681 is about 2437.9665707306. The cubic root of 5943681 is about 181.1417243122.

Adding to 5943681 its reverse (1863495), we get a triangular number (7807176 = T₃₉₅₁).

The spelling of 5943681 in words is "five million, nine hundred forty-three thousand, six hundred eighty-one".