5161984 has 33 divisors (see below), whose sum is σ = 10466311.
Its totient is φ = 2544640.
The previous prime is 5161967. The next prime is 5161993. The reversal of 5161984 is 4891615.
It can be divided in two parts, 516 and 1984, that added together give a square (2500 = 502).
The square root of 5161984 is 2272.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 72669 + ... + 72739.
Almost surely, 25161984 is an apocalyptic number.
5161984 is the 2272-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5161984
5161984 is an abundant number, since it is smaller than the sum of its proper divisors (5304327).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5161984 is an frugal number, since it uses more digits than its factorization.
5161984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162 (or 73 counting only the distinct ones).
The product of its digits is 8640, while the sum is 34.
The cubic root of 5161984 is about 172.8245964073.
The spelling of 5161984 in words is "five million, one hundred sixty-one thousand, nine hundred eighty-four".