5421834 has 48 divisors (see below), whose sum is σ = 12972960. Its totient is φ = 1622880.

The previous prime is 5421833. The next prime is 5421839. The reversal of 5421834 is 4381245.

It is a junction number, because it is equal to n+sod(n) for n = 5421798 and 5421807.

It is not an unprimeable number, because it can be changed into a prime (5421833) 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 23 ways as a sum of consecutive naturals, for example, 27424 + ... + 27620.

It is an arithmetic number, because the mean of its divisors is an integer number (270270).

Almost surely, 2^5421834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5421834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6486480).

5421834 is an abundant number, since it is smaller than the sum of its proper divisors (7551126).

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

5421834 is a wasteful number, since it uses less digits than its factorization.

5421834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 352 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 5421834 is about 2328.4831972767. The cubic root of 5421834 is about 175.6772018849.

The spelling of 5421834 in words is "five million, four hundred twenty-one thousand, eight hundred thirty-four".