5398503 has 16 divisors (see below), whose sum is σ = 8315136. Its totient is φ = 3079040.

The previous prime is 5398501. The next prime is 5398507. The reversal of 5398503 is 3058935.

It is not a de Polignac number, because 5398503 - 2¹ = 5398501 is a prime.

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 Harshad number since it is a multiple of its sum of digits (33).

5398503 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5398501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4251 + ... + 5372.

It is an arithmetic number, because the mean of its divisors is an integer number (519696).

Almost surely, 2^5398503 is an apocalyptic number.

5398503 is a deficient number, since it is larger than the sum of its proper divisors (2916633).

5398503 is a wasteful number, since it uses less digits than its factorization.

5398503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9654.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 5398503 is about 2323.4678822829. The cubic root of 5398503 is about 175.4248507405.

The spelling of 5398503 in words is "five million, three hundred ninety-eight thousand, five hundred three".