5391424 has 28 divisors (see below), whose sum is σ = 10881868. Its totient is φ = 2649600.

The previous prime is 5391413. The next prime is 5391437. The reversal of 5391424 is 4241935.

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 4326400 = 1032^2 + 2080^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5391392 and 5391401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214 + ... + 4594.

Almost surely, 2^5391424 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 5391424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5440934).

5391424 is an abundant number, since it is smaller than the sum of its proper divisors (5490444).

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

5391424 is a wasteful number, since it uses less digits than its factorization.

5391424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1444 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 5391424 is about 2321.9440131063. The cubic root of 5391424 is about 175.3481396156.

The spelling of 5391424 in words is "five million, three hundred ninety-one thousand, four hundred twenty-four".