5198739 has 32 divisors (see below), whose sum is σ = 8655360. Its totient is φ = 2702592.

The previous prime is 5198737. The next prime is 5198747. The reversal of 5198739 is 9378915.

It is a happy number.

It is not a de Polignac number, because 5198739 - 2¹ = 5198737 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 5198739.

It is not an unprimeable number, because it can be changed into a prime (5198737) 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 31 ways as a sum of consecutive naturals, for example, 37332 + ... + 37470.

It is an arithmetic number, because the mean of its divisors is an integer number (270480).

Almost surely, 2^5198739 is an apocalyptic number.

5198739 is a deficient number, since it is larger than the sum of its proper divisors (3456621).

5198739 is a wasteful number, since it uses less digits than its factorization.

5198739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299.

The product of its digits is 68040, while the sum is 42.

The square root of 5198739 is about 2280.0743408933. The cubic root of 5198739 is about 173.2338157372.

It can be divided in two parts, 51 and 98739, that added together give a triangular number (98790 = T₄₄₄).

The spelling of 5198739 in words is "five million, one hundred ninety-eight thousand, seven hundred thirty-nine".