5403643 has 8 divisors (see below), whose sum is σ = 6444288. Its totient is φ = 4430184.

The previous prime is 5403631. The next prime is 5403647. The reversal of 5403643 is 3463045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5403643 - 2⁵ = 5403611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5403647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16621 + ... + 16942.

It is an arithmetic number, because the mean of its divisors is an integer number (805536).

Almost surely, 2^5403643 is an apocalyptic number.

5403643 is a deficient number, since it is larger than the sum of its proper divisors (1040645).

5403643 is a wasteful number, since it uses less digits than its factorization.

5403643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33593.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 5403643 is about 2324.5737243632. The cubic root of 5403643 is about 175.4805080042.

Adding to 5403643 its reverse (3463045), we get a palindrome (8866688).

The spelling of 5403643 in words is "five million, four hundred three thousand, six hundred forty-three".