5398128 has 60 divisors (see below), whose sum is σ = 15910440. Its totient is φ = 1703808.

The previous prime is 5398093. The next prime is 5398139. The reversal of 5398128 is 8218935.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5398092 and 5398101.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1750 + ... + 3722.

It is an arithmetic number, because the mean of its divisors is an integer number (265174).

Almost surely, 2^5398128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5398128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7955220).

5398128 is an abundant number, since it is smaller than the sum of its proper divisors (10512312).

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

5398128 is a wasteful number, since it uses less digits than its factorization.

5398128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 1997 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 5398128 is about 2323.3871825419. The cubic root of 5398128 is about 175.4207887600.

The spelling of 5398128 in words is "five million, three hundred ninety-eight thousand, one hundred twenty-eight".