5187420 has 144 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 1127808.

The previous prime is 5187401. The next prime is 5187449. The reversal of 5187420 is 247815.

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 28891 + ... + 29069.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

Almost surely, 2^5187420 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 5187420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9434880).

5187420 is an abundant number, since it is smaller than the sum of its proper divisors (13682340).

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

5187420 is a wasteful number, since it uses less digits than its factorization.

5187420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 5187420 is about 2277.5908324368. The cubic root of 5187420 is about 173.1079994341.

The spelling of 5187420 in words is "five million, one hundred eighty-seven thousand, four hundred twenty".