5749643 has 4 divisors (see below), whose sum is σ = 5784240. Its totient is φ = 5715048.

The previous prime is 5749637. The next prime is 5749649. The reversal of 5749643 is 3469475.

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

It is an interprime number because it is at equal distance from previous prime (5749637) and next prime (5749649).

It is a cyclic number.

It is not a de Polignac number, because 5749643 - 2¹⁰ = 5748619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5749597 and 5749606.

It is not an unprimeable number, because it can be changed into a prime (5749649) 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, 17048 + ... + 17381.

It is an arithmetic number, because the mean of its divisors is an integer number (1446060).

Almost surely, 2^5749643 is an apocalyptic number.

5749643 is a deficient number, since it is larger than the sum of its proper divisors (34597).

5749643 is a wasteful number, since it uses less digits than its factorization.

5749643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34596.

The product of its digits is 90720, while the sum is 38.

The square root of 5749643 is about 2397.8413208551. The cubic root of 5749643 is about 179.1486857984.

The spelling of 5749643 in words is "five million, seven hundred forty-nine thousand, six hundred forty-three".