5198643 has 6 divisors (see below), whose sum is σ = 7509164. Its totient is φ = 3465756.

The previous prime is 5198639. The next prime is 5198653. The reversal of 5198643 is 3468915.

5198643 is a `hidden beast` number, since 5 + 1 + 9 + 8 + 643 = 666.

It is not a de Polignac number, because 5198643 - 2² = 5198639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5198598 and 5198607.

It is not an unprimeable number, because it can be changed into a prime (5198653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288805 + ... + 288822.

Almost surely, 2^5198643 is an apocalyptic number.

5198643 is a deficient number, since it is larger than the sum of its proper divisors (2310521).

5198643 is a wasteful number, since it uses less digits than its factorization.

5198643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577633 (or 577630 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 5198643 is about 2280.0532888509. The cubic root of 5198643 is about 173.2327494178.

The spelling of 5198643 in words is "five million, one hundred ninety-eight thousand, six hundred forty-three".