5194809 has 24 divisors (see below), whose sum is σ = 8367840. Its totient is φ = 3086208.

The previous prime is 5194807. The next prime is 5194811. The reversal of 5194809 is 9084915.

It is an interprime number because it is at equal distance from previous prime (5194807) and next prime (5194811).

It is not a de Polignac number, because 5194809 - 2¹ = 5194807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5194807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2014 + ... + 3800.

It is an arithmetic number, because the mean of its divisors is an integer number (348660).

Almost surely, 2^5194809 is an apocalyptic number.

It is an amenable number.

5194809 is a deficient number, since it is larger than the sum of its proper divisors (3173031).

5194809 is a wasteful number, since it uses less digits than its factorization.

5194809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1826 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 5194809 is about 2279.2123639538. The cubic root of 5194809 is about 173.1901525513.

The spelling of 5194809 in words is "five million, one hundred ninety-four thousand, eight hundred nine".