5943649 has 4 divisors (see below), whose sum is σ = 5951664. Its totient is φ = 5935636.

The previous prime is 5943629. The next prime is 5943653. The reversal of 5943649 is 9463495.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9463495 = 5 ⋅1892699.

It is a cyclic number.

It is not a de Polignac number, because 5943649 - 2⁵ = 5943617 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5943629) 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 3 ways as a sum of consecutive naturals, for example, 2767 + ... + 4420.

It is an arithmetic number, because the mean of its divisors is an integer number (1487916).

Almost surely, 2^5943649 is an apocalyptic number.

It is an amenable number.

5943649 is a deficient number, since it is larger than the sum of its proper divisors (8015).

5943649 is an equidigital number, since it uses as much as digits as its factorization.

5943649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014.

The product of its digits is 116640, while the sum is 40.

The square root of 5943649 is about 2437.9600078754. The cubic root of 5943649 is about 181.1413992305.

The spelling of 5943649 in words is "five million, nine hundred forty-three thousand, six hundred forty-nine".