5398819 has 4 divisors (see below), whose sum is σ = 5429160. Its totient is φ = 5368480.

The previous prime is 5398807. The next prime is 5398823. The reversal of 5398819 is 9188935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5398819 - 2¹¹ = 5396771 is a prime.

It is a super-2 number, since 2×5398819² = 58294493189522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5398849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14902 + ... + 15259.

It is an arithmetic number, because the mean of its divisors is an integer number (1357290).

Almost surely, 2^5398819 is an apocalyptic number.

5398819 is a deficient number, since it is larger than the sum of its proper divisors (30341).

5398819 is a wasteful number, since it uses less digits than its factorization.

5398819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30340.

The product of its digits is 77760, while the sum is 43.

The square root of 5398819 is about 2323.5358830885. The cubic root of 5398819 is about 175.4282734901.

The spelling of 5398819 in words is "five million, three hundred ninety-eight thousand, eight hundred nineteen".