5405943 has 8 divisors (see below), whose sum is σ = 7521408. Its totient is φ = 3447224.

The previous prime is 5405923. The next prime is 5405969. The reversal of 5405943 is 3495045.

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 5405943 - 2²¹ = 3308791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5405943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405923) 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, 39105 + ... + 39242.

It is an arithmetic number, because the mean of its divisors is an integer number (940176).

Almost surely, 2^5405943 is an apocalyptic number.

5405943 is a deficient number, since it is larger than the sum of its proper divisors (2115465).

5405943 is a wasteful number, since it uses less digits than its factorization.

5405943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78373.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 5405943 is about 2325.0683860910. The cubic root of 5405943 is about 175.5054015756.

The spelling of 5405943 in words is "five million, four hundred five thousand, nine hundred forty-three".