5866943 has 4 divisors (see below), whose sum is σ = 5949648. Its totient is φ = 5784240.

The previous prime is 5866897. The next prime is 5866951. The reversal of 5866943 is 3496685.

Added to its reverse (3496685) it gives a triangular number (9363628 = T₄₃₂₇).

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5866943 - 2¹⁰ = 5865919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5866943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5866043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41246 + ... + 41387.

It is an arithmetic number, because the mean of its divisors is an integer number (1487412).

Almost surely, 2^5866943 is an apocalyptic number.

5866943 is a deficient number, since it is larger than the sum of its proper divisors (82705).

5866943 is an equidigital number, since it uses as much as digits as its factorization.

5866943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82704.

The product of its digits is 155520, while the sum is 41.

The square root of 5866943 is about 2422.1773262914. The cubic root of 5866943 is about 180.3587802802.

Adding to 5866943 its reverse (3496685), we get a triangular number (9363628 = T₄₃₂₇).

The spelling of 5866943 in words is "five million, eight hundred sixty-six thousand, nine hundred forty-three".