5398849 has 2 divisors, whose sum is σ = 5398850. Its totient is φ = 5398848.

The previous prime is 5398837. The next prime is 5398873. The reversal of 5398849 is 9488935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5143824 + 255025 = 2268^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 5398849 - 2¹³ = 5390657 is a prime.

It is a Chen prime.

5398849 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5398799 and 5398808.

It is not a weakly prime, because it can be changed into another prime (5398889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699424 + 2699425.

It is an arithmetic number, because the mean of its divisors is an integer number (2699425).

Almost surely, 2^5398849 is an apocalyptic number.

It is an amenable number.

5398849 is a deficient number, since it is larger than the sum of its proper divisors (1).

5398849 is an equidigital number, since it uses as much as digits as its factorization.

5398849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 5398849 is about 2323.5423387578. The cubic root of 5398849 is about 175.4285984277.

The spelling of 5398849 in words is "five million, three hundred ninety-eight thousand, eight hundred forty-nine".