5199920 has 80 divisors (see below), whose sum is σ = 13927680. Its totient is φ = 1785600.

The previous prime is 5199917. The next prime is 5199959. The reversal of 5199920 is 299915.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16565 + ... + 16875.

It is an arithmetic number, because the mean of its divisors is an integer number (174096).

Almost surely, 2^5199920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5199920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6963840).

5199920 is an abundant number, since it is smaller than the sum of its proper divisors (8727760).

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

5199920 is a wasteful number, since it uses less digits than its factorization.

5199920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 5199920 is about 2280.3333089704. Note that the first 4 decimals coincide. The cubic root of 5199920 is about 173.2469326133.

The spelling of 5199920 in words is "five million, one hundred ninety-nine thousand, nine hundred twenty".