5398624 has 72 divisors (see below), whose sum is σ = 13530888. Its totient is φ = 2096640.

The previous prime is 5398597. The next prime is 5398697. The reversal of 5398624 is 4268935.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17092 + ... + 17404.

It is an arithmetic number, because the mean of its divisors is an integer number (187929).

Almost surely, 2^5398624 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 5398624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6765444).

5398624 is an abundant number, since it is smaller than the sum of its proper divisors (8132264).

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

5398624 is a wasteful number, since it uses less digits than its factorization.

5398624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 333 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 5398624 is about 2323.4939208012. The cubic root of 5398624 is about 175.4261613661.

It can be divided in two parts, 539 and 8624, that multiplied together give a square (4648336 = 2156²).

The spelling of 5398624 in words is "five million, three hundred ninety-eight thousand, six hundred twenty-four".