5398919 has 2 divisors, whose sum is σ = 5398920. Its totient is φ = 5398918.

The previous prime is 5398909. The next prime is 5398933. The reversal of 5398919 is 9198935.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5398919 is a prime.

It is a super-2 number, since 2×5398919² = 58296652737122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5398919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5398909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699459 + 2699460.

It is an arithmetic number, because the mean of its divisors is an integer number (2699460).

Almost surely, 2^5398919 is an apocalyptic number.

5398919 is a deficient number, since it is larger than the sum of its proper divisors (1).

5398919 is an equidigital number, since it uses as much as digits as its factorization.

5398919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 44.

The square root of 5398919 is about 2323.5574019163. The cubic root of 5398919 is about 175.4293566109.

The spelling of 5398919 in words is "five million, three hundred ninety-eight thousand, nine hundred nineteen".