5099869 has 4 divisors (see below), whose sum is σ = 5118300. Its totient is φ = 5081440.

The previous prime is 5099851. The next prime is 5099873. The reversal of 5099869 is 9689905.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2442969 + 2656900 = 1563^2 + 1630^2 .

It is a cyclic number.

It is not a de Polignac number, because 5099869 - 2⁷ = 5099741 is a prime.

It is a super-2 number, since 2×5099869² = 52017327634322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5099849) 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 3 ways as a sum of consecutive naturals, for example, 8794 + ... + 9355.

It is an arithmetic number, because the mean of its divisors is an integer number (1279575).

Almost surely, 2^5099869 is an apocalyptic number.

It is an amenable number.

5099869 is a deficient number, since it is larger than the sum of its proper divisors (18431).

5099869 is a wasteful number, since it uses less digits than its factorization.

5099869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18430.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 5099869 is about 2258.2889540535. The cubic root of 5099869 is about 172.1285882667.

The spelling of 5099869 in words is "five million, ninety-nine thousand, eight hundred sixty-nine".