5109818 has 24 divisors (see below), whose sum is σ = 9307872. Its totient is φ = 2093784.

The previous prime is 5109791. The next prime is 5109821. The reversal of 5109818 is 8189015.

It is a happy number.

It is a super-2 number, since 2×5109818² = 52220479986248, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1121 + ... + 3387.

It is an arithmetic number, because the mean of its divisors is an integer number (387828).

Almost surely, 2^5109818 is an apocalyptic number.

5109818 is a deficient number, since it is larger than the sum of its proper divisors (4198054).

5109818 is a wasteful number, since it uses less digits than its factorization.

5109818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 5109818 is about 2260.4906547031. The cubic root of 5109818 is about 172.2404470173.

The spelling of 5109818 in words is "five million, one hundred nine thousand, eight hundred eighteen".