The square root of 1679616 is 1296.
It is a Jordan-Polya number, since it can be written as (3!)8.
It is a tau number, because it is divible by the number of its divisors (81).
It is a Duffinian number.
It is a nialpdrome in base 6.
It is an unprimeable number.
21679616 is an apocalyptic number.
1679616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
1679616 is the 1296-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1679616
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1679616 is an frugal number, since it uses more digits than its factorization.
1679616 is an evil number, because the sum of its binary digits is even.
The cubic root of 1679616 is about 118.8693809602.
Multiplying 1679616 by its sum of digits (36), we get a 10-th power (60466176 = 610).
1679616 divided by its sum of digits (36) gives a 6-th power (46656 = 66).
The spelling of 1679616 in words is "one million, six hundred seventy-nine thousand, six hundred sixteen".