5193918 has 12 divisors (see below), whose sum is σ = 11253528. Its totient is φ = 1731300.

The previous prime is 5193901. The next prime is 5193931. The reversal of 5193918 is 8193915.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144258 + ... + 144293.

It is an arithmetic number, because the mean of its divisors is an integer number (937794).

Almost surely, 2^5193918 is an apocalyptic number.

5193918 is an abundant number, since it is smaller than the sum of its proper divisors (6059610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5193918 is a wasteful number, since it uses less digits than its factorization.

5193918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288559 (or 288556 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 5193918 is about 2279.0168933117. The cubic root of 5193918 is about 173.1802502784.

The spelling of 5193918 in words is "five million, one hundred ninety-three thousand, nine hundred eighteen".