5405838 has 8 divisors (see below), whose sum is σ = 10811688. Its totient is φ = 1801944.

The previous prime is 5405837. The next prime is 5405839. The reversal of 5405838 is 8385045.

It is a happy number.

5405838 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5405837) and next prime (5405839).

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

5405838 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 5405799 and 5405808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405837) 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, 450481 + ... + 450492.

It is an arithmetic number, because the mean of its divisors is an integer number (1351461).

Almost surely, 2^5405838 is an apocalyptic number.

5405838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5405838 is a wasteful number, since it uses less digits than its factorization.

5405838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900978.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 5405838 is about 2325.0458060004. The cubic root of 5405838 is about 175.5042652838.

The spelling of 5405838 in words is "five million, four hundred five thousand, eight hundred thirty-eight".